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Question 981009: if it takes 80 hours to get 121 tickets how many hours will it take to get 45 tickets
Click here to see answer by josgarithmetic(39617)

Question 981100: How many liters of a 50% acid solution must be added to 10 liters of a 15% acid solution to produce a 25% acid solution?
Click here to see answer by josgarithmetic(39617)

Question 981027: How many rearrangements of the letters FACEBOOK have the two O's not together?
Click here to see answer by Edwin McCravy(20056)

Question 981273: How many equilateral triangles in the plane have two vertices in the set {(0,0), (0,1), (1,0), (1,1)}?

Click here to see answer by Edwin McCravy(20056)

Question 981273: How many equilateral triangles in the plane have two vertices in the set {(0,0), (0,1), (1,0), (1,1)}?

Click here to see answer by AnlytcPhil(1806)

Question 981339: How many gallons of a 70% antifreeze solution must be mixed with 70 gallons of 10% antifreeze to get a mixture that is 60% antifreeze?

Click here to see answer by solver91311(24713)

Question 981445: You need to make 1500 ml of a 25 % alcohol solution. You have a bottle marked 85% alcohol. How much of it do you need if you are going to dilute it with water? answer in mL
Click here to see answer by macston(5194)

Question 981458: a certain recipe requires 4 1/5 cups of flour and 2 3/7 cups of sugar. If 4/9 of the recipe is to be made, how much sugar is needed?
Click here to see answer by Boreal(15235)

Question 981444: You have 80 ml of a 85% alcohol solution. How many mls of a 15% solution must be added to make a 40% solution?
Click here to see answer by macston(5194)

Question 981444: You have 80 ml of a 85% alcohol solution. How many mls of a 15% solution must be added to make a 40% solution?
Click here to see answer by josmiceli(19441)

Question 981437: a chemist has two solution of sulfuri acid a 20% solution and an 80% solution. how much of each should be used ro obtain 100 liters of a 62% solution?
Click here to see answer by josgarithmetic(39617)

Question 981440: a chemist has two solution of sulfuri acid a 20% solution and an 80% solution. how much of each should be used ro obtain 100 liters of a 62% solution?
Click here to see answer by macston(5194)

Question 981497: soybean meal is 12% protein; cornmeal is 6% protein. How many pound of each should be mixed together in order to get a 240-lb mixture that is 9% protein?
Click here to see answer by Boreal(15235)

Question 981511: Hi tutors, can you help me answer this question? thanks
A jar contains red, blue, yellow, pink and white jelly beans. James wants to estimate the number of jelly beans in the jar.
James adds 90 black jelly beans and mixes the jelly beans thoroughly. He draws out 120 jelly beans at random and finds that he has 18 black jelly beans. How many jelly beans should he estimate were originally in the jar?
A. 480
B. 510
C. 600
D. 690
Click here to see answer by josgarithmetic(39617)

Question 981634: A beaker contains 30 kilograms of salt water that is 99% water and 1% salt by weight. The water is evaporated until the beaker is 98% water and 2% salt. How many kilograms of salt water are in the beaker at this time? PLEASE show your work.
Click here to see answer by josmiceli(19441)

Question 981810: Determine the number of liters each of 9% acid solution and 5% acid solution that must be mixed to end up with 1000 liters of 7% acid solution.
Click here to see answer by josgarithmetic(39617)

Question 982216: Advance thank you for the one answering these questions:
Q1.Yolanda spent $30.60 for walnuts and pecans. the walnuts cost $2.80 per pound and the pecans cost $3.20 per pound. if she has a total of 10 pounds of nuts, how many pounds of each does she have?
Q2. The Thrifty Coffee Shop blends coffee worth $3.00 per pound with coffee worth $4.25 per pound for a blend worth $3.50. The weight of $4.25 per pound coffee was of the weight of $3.00 per pound coffee. How many pounds of each was used to make a mixture with a total value of $140?
Q3. A trust fund containing $13000 has been established for you. Part of the money is invested at a rate, while the rest is in a stock yielding 5% rate. if you receive $500 a year from the two investments, find the amount invested at each diff. rate.
Click here to see answer by macston(5194)

Question 982236: The Thrifty Coffee Shop blends coffee worth $3.00 per pound with coffee worth $4.25 per pound for a blend worth $3.50. The weight of $4.25 per pound coffee was of the weight of the $3.00 per pound coffee. How many pounds of each was used to make a mixture with a total value of
$140?
P.s thank you for your help
Click here to see answer by josgarithmetic(39617)

Question 982276: How many milliliters of pure acid should be added to 35 ml of 15% acid to make 40% acid solution?{Round your answer to the nearest hundredth if necessary.
Click here to see answer by macston(5194)

Question 982426: Please help me solve this. I've been trying this for hours now.
"A jewel has five rings, each weighing 18grams, made of an alloy of 10% silver and 90% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 7.5%. How much silver could he add? "

Click here to see answer by josgarithmetic(39617)

Question 982448: how much water is to be evaporated from 20 liters of 20 percent sugar solution to get 30 percent sugar solution.
Click here to see answer by stanbon(75887)

Question 982448: how much water is to be evaporated from 20 liters of 20 percent sugar solution to get 30 percent sugar solution.
Click here to see answer by KMST(5328)

Question 982455: David needs to have a 20% solution of antifreeze and water in his radiator. If the radiator of truck contains 8 quarts of a solution of antifreeze and water, with 10% being antifreeze, how much antifreeze must be added to create the desired solution?
Click here to see answer by josgarithmetic(39617)

Question 982582: the doctor orders a 14 1/2 % solution he asks the pharmacy to prepare 35 ml of the solution how many grams of pure drug will be in 35 ml of this 14 1/2 % solution round to the nearest tenth
Click here to see answer by stanbon(75887)

Question 982838: Jim wants 14L of fruit punch that is 10% juice. He can only find punch that is 15% juice or punch that is 8% juice. How much of each should he purchase?
Click here to see answer by josgarithmetic(39617)

Question 982821: One karat is the twenty-fourth part by mass of gold in jewelry, and pure gold would be described as 24 karat.
A. What is the percent by mass of a 14-karat necklace?

B. What mass of pure gold is needed to make 50 g of a 14-karat necklaces?
Click here to see answer by josgarithmetic(39617)

Question 980861: How much 10% of 30% saline solutions should you mix to get 10 liters of 15% saline solution?
Thank you! :)
Click here to see answer by josgarithmetic(39617)

Question 979048: A rice retailer would like to sell rice for 20 pesos per kilo. All he has is 40 kilos of rice worth 18 pesos. How many kilos of rice worth 28 pesos should he add to the mix?
Click here to see answer by josgarithmetic(39617)

Question 982911: A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 40% and the third contains 80%. He wants to use all three solutions to obtain a mixture of 66 liters containing 55% acid, using 3 times as much of the 80% solution as the 40% solution. How many liters of each solution should be used?

Click here to see answer by josgarithmetic(39617)

Question 983108: James needs to create a nitric acid solution which is less than 15% nitric acid. He begins with 12 fluid ounces of a 20% nitric acid solution in water and he adds 8 fluid ounces of water. Does he need to add more water?
Click here to see answer by jim_thompson5910(35256)

Question 983109: Mary has added 2 liters of alcohol to 8 liters of a 48% sugar in alcohol solution. What is the alcohol concentration of the resulting solution?
Click here to see answer by Alan3354(69443)

Question 983111: bills coffee shop makes a blend that is a mixture of two types of coffee. Type a coffee costs bill $5.70 per pound and type b coffee costs $4.65 per pound. This month bill made 181 pounds of the blend, for a total cost of $943.50. How many pounds of type A coffee did he use?

Click here to see answer by stanbon(75887)

Question 983268: Completing the square
Y=-x^2-4x-7
Click here to see answer by josgarithmetic(39617)

Question 983269: Completing the square
y=16-x-x^2
Click here to see answer by MathLover1(20850)

Question 983274: Synthetic division
(X^4-2x^2+3x+5)�(x+2)
Click here to see answer by josgarithmetic(39617)

Question 983275: Synthetic division
(x^5-4x^4+3x^3-2x^2-5x+10)�(x+3)
Click here to see answer by josgarithmetic(39617)

Question 983276: Completing the square
y=3-15x-3x^2
Click here to see answer by KMST(5328)

Question 983273: Competing the square
y=3-15x-3x^2
Click here to see answer by ankor@dixie-net.com(22740)

Question 983296: You have $192000 to invest in two accounts, one has an intrest of 0.095 percent and the other is 0.125 percent. These investments will make $12000 how much do you invest in each?
Click here to see answer by macston(5194)

Question 983394: Coffee at $12 per kg is mixed with other coffee $16 per kg in ratio of 1:3. What is the coast of ONE KILOGRAM of the mixture?
Click here to see answer by josgarithmetic(39617)

Question 983393: If i have a box of muffin mix and it says that a serving size is 1/14 per package,and there are 14 servings per container.how many carbs are in each serving,if the carbs are 27 carbs per serving??? Btw there is 1 lb of mix in the box..
Click here to see answer by josgarithmetic(39617)

Question 983407: Hi
there were pears and apples in a box.if 4 pears were taken out there woud be an equal number of pears and apples in the box.if 7 pears were taken out there would be 4/5 as many pears as apples in the box.
how many apples were there at first
how many pears were there at first
thank you
Click here to see answer by mananth(16946)

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, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245