Questions on Word Problems: Mixtures answered by real tutors!

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Question 434985: 1) Diana has a total of 100 dimes and quarters.If the total value of the coins is $13.75, how many quarters does she have?
Click here to see answer by mananth(16946)

Question 435215: PLEASEEEEEE HELPPPPP
If paul takes 10hours to paint a house , and wiliam takes 5 hours to paint the same house. how much time it will take them to paint the house if they work together ???
Click here to see answer by stanbon(75887)

Question 435711: Forty pounds of an alloy of copper and tin contain 8 pounds of copper. How many pounds of tin must be added to make a new alloy that is 10% copper?

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Question 435925:
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Question 435925:
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Question 436044: How many gallons of a solution of 20% acid must be blended with a solution of 5% acid to obtain 80 gallons of a solution of 12% acid

Click here to see answer by mananth(16946)

Question 436124: how do you sove this equation step by step (11-y)+ 0.5y=7.7 I need to solve for y.
Click here to see answer by mananth(16946)

Question 436345: I have the next problem, and I need some help.
Emily mixed together 9 gal. of brand A fruit drink which contains 48% fruit juice. Find the percent of fruit juice in brand A if the mixture contained 30% fruit juice.
Thanks
Click here to see answer by rwm(914)

Question 436358: I need some help... please!!!!
Emily mixed 9 gal. of brand A fruit drink and 8 gal. of brand B fruit juice which contains 48% fruit juice. find the percent of fruit juice in brand A if the mixture contained 30% fruit juice.
Thanks
Click here to see answer by rwm(914)

Question 436889: 1. Alberto�s salary was $2000 greater than 4 times Nick�s salary. Write an equation stating Alberto�s and Nick�s salaries in terms of x and y.
Click here to see answer by Gogonati(855)

Question 436891: I have 2.6 oz. of 2 cycle oil. I want to make a 32:1 gas:oil mixture. How much gas do I add to the 2.6 oz. of oil to get this ratio?
Click here to see answer by unreal4evr(11)

Question 437644: a number is divided by 5
4 is subtracted from the quotient
then 6 is added to the difference
the result is 10
what is the number?
Click here to see answer by rfer(16322)

Question 437660: How much water should be added to 4 liters of (pure) antifreeze to make a solution that is 60% antifreeze?
Click here to see answer by robertb(5830)

Question 437844: Oscar wants to mix 500 grams of peanuts with some cashews to create a nut mix that is 20% cashews. How many grams of cashews should Oscar add?
Click here to see answer by stanbon(75887)

Question 438068: How many liter of pure hydrochloric acid must be added to 60 liters of solution that is 10% hydrochloric acid to get a solution that is 15% hydrochloric acid?
Click here to see answer by ankor@dixie-net.com(22740)

Question 438592: It takes one pipe 10 min to fill a certain tank with water. It takes a second pipe 15 min. With both pipes open and the tank empty how long would it take to fill the tank?
Click here to see answer by Alan3354(69443)

Question 438791: If sam can do a job in 4 days that Lisa can do in 6 days, and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom work together to complete it?
Click here to see answer by nerdybill(7384)

Question 438825: There were 34,000 people at a ballgame in Los Angeles. The day's receipts from $13 reserved seats and $6 general-admission seats were $239,000. How many of each type of seat were sold?
what equations would I use too?
Click here to see answer by rwm(914)

Question 438820: I need help with this problem... The manager of a bulk foods establishment sells a trail mix for $8 per pound and the premium cashews for $15 per pound. The manager wishes to make a 105-pound trail mix cashew mixture that will sell for $12 per pound. How many pounds of each should be used?
Click here to see answer by rwm(914)

Question 438856: Serena wants to make 15 fluid oz. of a 35% alcohol solution by mixing together a 90% alcohol solution and a 10% alcohol solution. How much of each solution must she use?
Click here to see answer by rwm(914)

Question 438988: Mix a solution that is 40% alcohol with a solution that is 10% alcohol to make 225 mL of a solution that is 20% alcohol. How much of each solution should you use?

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Question 438983: how many mg of a metal containing 45% nickel must be combined with 6 mg of pure nickel to form an alloy containing 78% nickel?
Click here to see answer by htmentor(1343)

Question 439004: a solution is 45% hydrochloric acid. how much water should be added to 1000 milliliters of this solution to dilute it to a 15% solution?
Click here to see answer by rwm(914)

Question 439311: How much water must you add to 250.0mL of orange juice concentrate if you want the final juice to be 15.0% of the strength of the original?

Click here to see answer by stanbon(75887)

Question 438171: A customer has asked a caterer to provide 60 lbs of nuts, 60% of which are to be cashews. The caterer has available mixtures of 70% cashews and 45% cashews. How many pounds of each mixture should be used?
Click here to see answer by rwm(914)

Question 439343: What quantity of 80 per cent acid solution must be mixed with a 30 per cent solution to produce 1050 mL of a 50 per cent solution?
mL of acid solution =
Click here to see answer by mananth(16946)

Question 439531: On the first day of school, the percentage of boys in a particular class is 60%. During the school year, six girls move away, and are replaced in the class by six boys; this makes the class roster 75% boys. Find the number of boys and girls in the class on the first day of school.
Click here to see answer by rwm(914)

Question 439563: A 4-liter mixture of milk and coffee is 20% milk. A liter of pure coffee is added to this mixture. What percent if the new mixture is milk?
Click here to see answer by josmiceli(19441)

Question 439540: Joe has a collection of nickels and dimes that is worth $5.65. If the number of dimes were doubled and the number of nickels were increased by 8, the value of the coins would be $10.45. How many dimes does he have?
Click here to see answer by josmiceli(19441)

Question 439652: if a man mixes 12 lbs. of peanuts thats $1.25 a lbs. with a pound of cashews at $1.80 a lbs. how many pounds of cashew do you need to make a $1.50 a lbs. mixture

Click here to see answer by jorel1380(3719)

Question 439829: All together, is a mixture of 3L of Brand A fruit punch and 2L of apple juice. If brand A contains 30% fruit juice then what percent of the final mixture is fruit juice?
Click here to see answer by jorel1380(3719)

Question 440000: How many gallons of a 25% acid solution must be mixed with 100 gallons of a 6% acid solution to obtain a mixture that is 20% acid?
Click here to see answer by jorel1380(3719)

Question 440177: the coffee shoppe sells a coffee blend made from two coffees, one costing $5/lbs and the other costing $6/lbs. If the blended coffee sells for $5.60/lb find how much of each coffee is used to obtain the desired blend. Assume that the weight of the blended coffee is 100lbs.
Click here to see answer by nerdybill(7384)

Question 440161: A.Find the equation of the quadratic function in standard form
vertex (0, 18) ; passing through (-3, 0)
A. y = -2x2 + 18
B. y = -2x2 - 18
C. y = x2 + 18
D. y = 18x2 + 18
B. 6. Write the quadratic function in the vertex form.
y = -3x^2 - 30x - 71
A. y = 3(x + 5) 2 + 4
B. y = -3(x - 5) 2 + 4
C. y = (x + 5) 2 + 4
D. y = -3(x + 5) 2 + 4

Click here to see answer by ewatrrr(24785)

Question 440157: Find the domain and the range of the given function.
f(x) = -x^2 + 6x
A. domain: {x|x≤ -3}; range: {y|y ≤ 9}
B. domain: all real numbers; range: {y|y ≤ 9}
C. domain: {x|x ≤ 3}; range: {y|y ≤ 9}
D. domain: all real numbers;range: {y|y ≤ -9}

Click here to see answer by ewatrrr(24785)

Question 440190: Steve owns a hotdog stand. He has found that sales of hot dogs average 42,000 hot dogs a year when the hot dogs sell for $2.50 each. For each 50 cent increase in the price, the number of hotdogs sold drop by 5000. What price per hot dog should Steve charge to realize the maximum revenue?
A. $1.70
B. $4.20
C. $3.35
D. $3.60

Click here to see answer by josmiceli(19441)

Question 440479: How many liters of a 10% alcohol solution must be mixed with 20 litres of a 90% solution to get a 60% solution?
Click here to see answer by rwm(914)

Question 440450: Hello,
Could you explain to me how to solve the following word problem on mixtures?
How many liters of a 25% antifreeze solution should be added to 5 liters of 10% solution to obtain a 15% solution?
Thank you for you help.
Click here to see answer by jorel1380(3719)

Question 440712: Please help me solve this equation:
A fence around a square garden has a perimeter of 20 feet. Find the length of the diagonal of the garden to the nearest foot.
Click here to see answer by Euler(11)

Question 440976: I have 20 ml of clove oil. Using all of it, I want to make a 2% solution in water. If there are 3785 milliliters to a gallon, how much water do I add to the 20 ml? Also, can you convert the added water amount to ounces?
Thanks very much!
Click here to see answer by jorel1380(3719)

Question 440992: in a chemistry class, 7 litters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. how many liters of the 10% solution are needed?
Click here to see answer by stanbon(75887)

Question 441219: A chemist has two alcohol solutions, one is 20% and one is 50% alcohol solution. He needs 12 liters of a solution that is 45% alcohol, how much of each does he mix?
Click here to see answer by rwm(914)

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