Tutors Answer Your Questions about Percentage-and-ratio-word-problems (FREE)
Question 730075: last month a store manager decided to decrease the prices of all items by 10%. this month he increased the prices by 10%. What would be the price for a pair of pants that had cost $750 before prices were decreased last month??
Please include your solution... thank you in advance!! :)
Click here to see answer by josgarithmetic(39675)  |
Question 730075: last month a store manager decided to decrease the prices of all items by 10%. this month he increased the prices by 10%. What would be the price for a pair of pants that had cost $750 before prices were decreased last month??
Please include your solution... thank you in advance!! :)
Click here to see answer by ikleyn(53339)  |
Question 731816: Isabelle bought 12 wallet-sized photos for $36. Use a ratio table to determine how much she will pay for 5 more photos.
I drew the ratio table but cannot figure out what to do next. Please help me. Thanks!
Click here to see answer by timofer(132) |
Question 731816: Isabelle bought 12 wallet-sized photos for $36. Use a ratio table to determine how much she will pay for 5 more photos.
I drew the ratio table but cannot figure out what to do next. Please help me. Thanks!
Click here to see answer by ikleyn(53339) |
Question 740765: In a school of 600 students the number of boys is 360.when 60 new students are admitted in the school the ratio of the number of boys to the number of girls became 13:9. find the number of newly admitted boys..?
Click here to see answer by ikleyn(53339) |
Question 1210397: Andrew bought some apples and pears. The ratio of the number of apples bought to the number of pears bought was 7:4. He spent $61.20. He paid $22.80 more for the apples than the pears. Each apple was $0.30 more than each pears.
(a) How much did he spend on the pears?
(b) How many pears did he buy?
Click here to see answer by MathTherapy(10579)  |
Question 1210397: Andrew bought some apples and pears. The ratio of the number of apples bought to the number of pears bought was 7:4. He spent $61.20. He paid $22.80 more for the apples than the pears. Each apple was $0.30 more than each pears.
(a) How much did he spend on the pears?
(b) How many pears did he buy?
Click here to see answer by greenestamps(13248)  |
Question 1210397: Andrew bought some apples and pears. The ratio of the number of apples bought to the number of pears bought was 7:4. He spent $61.20. He paid $22.80 more for the apples than the pears. Each apple was $0.30 more than each pears.
(a) How much did he spend on the pears?
(b) How many pears did he buy?
Click here to see answer by ikleyn(53339) |
Question 1210397: Andrew bought some apples and pears. The ratio of the number of apples bought to the number of pears bought was 7:4. He spent $61.20. He paid $22.80 more for the apples than the pears. Each apple was $0.30 more than each pears.
(a) How much did he spend on the pears?
(b) How many pears did he buy?
Click here to see answer by josgarithmetic(39675) |
Question 1210396: Hakim spent 3/8 of his money on 3 cupcakes and 8 muffins. Then he spent 4/5 of the remaining money on 15 pieces of waffle. Each cupcake cost 2/3 as much as a muffin. Each piece of waffle cost $0.20 more than a cupcake. What was the cost of a muffin?
Click here to see answer by MathTherapy(10579) |
Question 1210396: Hakim spent 3/8 of his money on 3 cupcakes and 8 muffins. Then he spent 4/5 of the remaining money on 15 pieces of waffle. Each cupcake cost 2/3 as much as a muffin. Each piece of waffle cost $0.20 more than a cupcake. What was the cost of a muffin?
Click here to see answer by mccravyedwin(417)  |
Question 1210396: Hakim spent 3/8 of his money on 3 cupcakes and 8 muffins. Then he spent 4/5 of the remaining money on 15 pieces of waffle. Each cupcake cost 2/3 as much as a muffin. Each piece of waffle cost $0.20 more than a cupcake. What was the cost of a muffin?
Click here to see answer by greenestamps(13248) |
Question 1170245: 1.a) Deduce that the total surface area S of a cylinder closed at both ends with height, H and base radius R is given by: S=2πR(R+H) where π is a constant.
b) Find the volume of S given that H =15.0m and R =5.0m (leaving your answer in terms of π)
c) Calculate the amount of water the tank can hold leaving your answer in terms of π.
d) Calculate the height (h) of a cuboid tank of cross-sectional area 25 metre cube which has the same capacity as the cylinder tank in (c) above.
Click here to see answer by ikleyn(53339) |
Question 1170245: 1.a) Deduce that the total surface area S of a cylinder closed at both ends with height, H and base radius R is given by: S=2πR(R+H) where π is a constant.
b) Find the volume of S given that H =15.0m and R =5.0m (leaving your answer in terms of π)
c) Calculate the amount of water the tank can hold leaving your answer in terms of π.
d) Calculate the height (h) of a cuboid tank of cross-sectional area 25 metre cube which has the same capacity as the cylinder tank in (c) above.
Click here to see answer by CPhill(2138)  |
Question 1168192: Kameron paid $3.60 for a book. It was marked down 50% of its original price, and he also used a coupon to save an additional 40% off of the sale price. What was the original price?
Write the answer rounded to the nearest cent. Do not include a $ sign.
Click here to see answer by josgarithmetic(39675) |
Question 1168190: Bummer! Kai lives in California and of course, he has to pay sales tax! The sales tax rate is 8.75%. Now, does he have enough money to bring the backpack of his dream home?
(Original price: $88.95, 40% off and Kai has $55.00 saved up so far.)
Click here to see answer by MathLover1(20854)  |
Question 1170408: Good day may you please help me with the following question.
Twenty percent of a mixture of pure milk and water is water. Half liter of wine is added to one liter of the mixture of water and milk and thoroughly mixed. What percentage of the new mixture is water?
Click here to see answer by greenestamps(13248) |
Question 1170408: Good day may you please help me with the following question.
Twenty percent of a mixture of pure milk and water is water. Half liter of wine is added to one liter of the mixture of water and milk and thoroughly mixed. What percentage of the new mixture is water?
Click here to see answer by josgarithmetic(39675) |
Question 1170948: A man would like to invest P 50,000 in government bonds and stocks that will give an
overall annual return of about 5%. The money to be invested in government bonds will
give an annual return of 4.5% and the stocks of about 6%. The investments are in units
of P 100.00 each. If he desires to keep his stock investment to minimum in order to
reduce his risk, determine how many government bonds and how many stocks should he
purchase.
Click here to see answer by CPhill(2138) |
Question 1177674: A model of the base of PBCom Tower in Ayala is a square whose sides measure 28 m. The intent was to make a side that measures 2,805 m. What is the ratio of the square base of the model to the length of the base side of the intended building?
Click here to see answer by CPhill(2138) |
Question 1177676: Students in University of the Philippines built a replica of the NCR on a 45.5-ft diameter globe using a scale of 1: 2,000,000. About how tall is the Mount Everest on the model?
(Note: Mount Everest stands 29,000 feet approximately).
Click here to see answer by CPhill(2138) |
Question 1179673: There are various formulas for calculating ideal body weight. In each of the formulas in this exercise, W is ideal body weight in kilograms, and x is height in inches above 60 in.
Suppose one researcher gave the following formula for men:
W = 51 + 1.9x.
Suppose another researcher published a slightly different formula for men:
W = 55.2 + 1.44x.
At what height do both formulas give the same ideal body weight? Round to the nearest whole number.
Click here to see answer by CPhill(2138) |
Question 1179675: For using a computerized financial news network for 45 min during prime time and 80 min during non-prime time, a customer was charged $11.85. A second customer was charged $15.20 for using the network for 65 min of prime time and 90 min of non-prime time. Find the cost per minute for using the financial news network during prime time.
Click here to see answer by CPhill(2138) |
Question 1179762: A roller coaster has 3 trains with 8 rows per train. Riders stand in rows of 4, for a total of 32 rider per train. The operators of the coaster recorded the number of riders on each train during a run. On the first train, the operators reported that 7 1/4 rows were filled. On the second train, all 8 rows were filled, and on the third train, 5 1/2 rows were filled.
1. How many more rows were filled on the first train than on the third train?
2. How many rows were empty on the first train? How many additional rider would it take to fill the empty rows? Explain your answer.
3. How many rows were empty on the third train? How many additional riders would it take to fill the empty rows? Explain your answer.
Click here to see answer by CPhill(2138) |
Question 1184115: Andy, Berlin and Cheryl had a total of 6750 stamps. At first, Andy have 50%
of his stamps to Berlin. Berlin then gave 1/3 of her stamps to Cheryl.
Finally, Cheryl gave 1/6 of her stamps to Andy. In the end, the ratio of the
number of Andy’s stamps to the number of Berlin’s stamps became 4:5.
Cheryl had twice the total number of stamps that Andy and Berlin had.
How many stamps did Berlin and Cheryl have in total at first?
Click here to see answer by ikleyn(53339) |
Question 1184115: Andy, Berlin and Cheryl had a total of 6750 stamps. At first, Andy have 50%
of his stamps to Berlin. Berlin then gave 1/3 of her stamps to Cheryl.
Finally, Cheryl gave 1/6 of her stamps to Andy. In the end, the ratio of the
number of Andy’s stamps to the number of Berlin’s stamps became 4:5.
Cheryl had twice the total number of stamps that Andy and Berlin had.
How many stamps did Berlin and Cheryl have in total at first?
Click here to see answer by MathTherapy(10579) |
Question 1184115: Andy, Berlin and Cheryl had a total of 6750 stamps. At first, Andy have 50%
of his stamps to Berlin. Berlin then gave 1/3 of her stamps to Cheryl.
Finally, Cheryl gave 1/6 of her stamps to Andy. In the end, the ratio of the
number of Andy’s stamps to the number of Berlin’s stamps became 4:5.
Cheryl had twice the total number of stamps that Andy and Berlin had.
How many stamps did Berlin and Cheryl have in total at first?
Click here to see answer by CPhill(2138) |
Question 1186153: In a limited environment where A is the maximum number of bacteria supportable by the environment, the rate of bacterial growth is directly proportional to the number present and the difference between A and the number present. Suppose 1 million bacteria is the maximum number supportable by the environment and the rate of growth is 60 bacteria per minute when there are 1000 bacteria present.
Find the rate of growth when there are 100,000 bacteria present.
Click here to see answer by CPhill(2138) |
Question 1186579: Good evening! I sure wish there was a way to submit images on here. I have such a headache trying to figure this out and I really want to understand.
So this problem shows an image of two hexagons stacked. The top hexagon has three triangles kind of like a crown on top. This is what it says: The area of Design B is 5/3 of the area of another design. Make a design that could be the other design. Explain your reasoning.
Click here to see answer by CPhill(2138) |
Question 1189268: Dr. de Campo was listing systolic blood pressure data for a group of her patients. The numbers were 126,101,99,111,101,105,142,126, and 124. Justin's blood pressure was 124 on the list. What was his deviation score?
Answer (to the nearest hundredths)
Click here to see answer by CPhill(2138) |
Question 1190543: In each of the following parts, the people named shared all of a large candy bar. Make a drawing and give your reasoning in finding what fraction of the bar each person ate. a) Tome ate 2/3 as much as Ulysses ate. b) Vicky ate 3/4 as much as Willie, who ate half as much as Xavier. e) Yolanda ate 1/3 of the bar, Zeb ate 3/4 of what Yolanda left, and then Arnie ate the rest.
Click here to see answer by CPhill(2138) |
Question 1191224: The current ratio of Precision Machine. Products is 3.8. If
the firm’s current assets are $570,000, what are its current
liabilities? To raise additional funds, what is the maximum
amount the company can borrow on a short-term basis if
the current ratio is to be no less than 2.6?
Click here to see answer by CPhill(2138) |
Question 1205101: Let’s say you are buying protein bars for your gym. You have a total of x protein bars. If 10% of the bars are chocolate flavor, 20% are peanut butter flavor, and half of the remaining bars are vanilla flavor, and you have 420 bars in total, how many protein bars do you have in total?
Click here to see answer by ikleyn(53339) |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050
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