Questions on Word Problems: Mixtures answered by real tutors!

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Question 892008: Zelda wishes to mix almonds worth $9.60 per pound with cashews worth $10.27 per pound to make 250 pounds of a mixture worth $9.93 per pound. Hiw much of each type of nut should she use?
Click here to see answer by Edwin McCravy(20055)

Question 892019: How much water do I add to a 55% solution in order to end up with a 15% solution?
Click here to see answer by Alan3354(69443)

Question 892017: The average speed in kilometers per hour, if a distance of 25km is covered in 45 minutes
Click here to see answer by Alan3354(69443)

Question 892117: The radiator in a car is filled with a solution of 65 per cent antifreeze and 35 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the capacity of the raditor is 3.4 liters, how much coolant (in liters) must be drained and replaced with pure water to reduce the antifreeze concentration to 50 per cent?
Click here to see answer by Theo(13342)

Question 892145: 30 ml of water added to 60 ml of 40% solution. what is the new concentration
Click here to see answer by Fombitz(32388)

Question 892159: how to write two litres seven fifty millilitres in number
Click here to see answer by Fombitz(32388)

Question 892194: Britney is going to the candy store to buy 20 pieces of candy. She is going to buy chocolate candy and caramel candy. Each piece of chocolate candy costs 50 cents, and each piece of caramel candy costs 10 cents. You know that Britney spent $6.80 and bought 20 pieces of candy. She bought ______ pieces of chocolate.
Click here to see answer by lwsshak3(11628)

Question 892238: I have 60% concentrate, I need to mix a 1000 gallons of water to a .60 solution strength. how much concentrate do I need to use?
Click here to see answer by Alan3354(69443)

Question 892343: 7 kg of soybean oil which costs $4/kg were combined with 14 kg of canola oil which costs $1/kg. Find the cost per kg of the mixture

Click here to see answer by josmiceli(19441)

Question 892374: What is the concentration of a sugar solution made by mixing 1 kilogram of 12% sugar solution with 2 kilograms of water?

Click here to see answer by ankor@dixie-net.com(22740)

Question 892396: how many pounds of chocolate chips must be added to 12 pounds of cookie dough in order to make chocolate cookies which contain 25%chocilate?
Click here to see answer by ankor@dixie-net.com(22740)

Question 892529: A radiator contains 8 liters of a 25% antifreeze solution. How much should be drained and replaced with pure antifreeze to produce a 66% antifreeze solution? (Round your answer to two decimal places.)
Click here to see answer by robertb(5830)

Question 892547: If a 16 oz. bottle contains a 3%acid solution how much acid is in the bottle? How do I figure this out? Thank you
Click here to see answer by josmiceli(19441)

Question 892560: The ratio of copper to zinc in a certain alloy is 3 to 2. If 66 grams of copper are used, how many grams of since are needed to make this alloy?
Click here to see answer by LinnW(1048)

Question 892603: How many Liters of a 12% salt solution must be mixed with 11 Liters of a 42% salt solution to obtain a 17% salt solution?
Click here to see answer by nerdybill(7384)

Question 892601: How many liters of pure alcohol must be added to 15 Liters of a 40% solution to obtain a 70% solution?
Click here to see answer by josmiceli(19441)

Question 892549: 2 solutions a% b% alcohol by volume are mixed to make an x liters solution which is c% alcohol by volume. If A
Click here to see answer by josgarithmetic(39617)

Question 892643: If a hog cause 15cent per pound and its a 150 pound how much would it cost?
Click here to see answer by jim_thompson5910(35256)

Question 892646: will you please help me solve this problem :
~6ft^3 of soil containing 25% sand was mixed into 4ft^3 of soil containing 55% sand. what is the sand content of the mixture?
my work so far:
25%/100=.25x6=1.5
55%/100=.55x4=2.2
i dont know what steps to take to finish this problem
Click here to see answer by josgarithmetic(39617)

Question 892649: What quantity of 75 per cent acid solution must be mixed with a 20 per cent solution to produce 440 mL of a 50 per cent solution?

Click here to see answer by josgarithmetic(39617)

Question 892649: What quantity of 75 per cent acid solution must be mixed with a 20 per cent solution to produce 440 mL of a 50 per cent solution?

Click here to see answer by MathTherapy(10552)

Question 892796: What is the mass of phosphorus in a 49-kg person?
i can't solve this mass problem
Click here to see answer by Fombitz(32388)

Question 892795: i don't know how to solve this problem
A mixture is made by combining 1.10 lb of salt and 4.42 lb of water. What is the percentage of salt (by mass) in this mixture?
Click here to see answer by Theo(13342)

Question 892841: A tank at a marine exhibit contains 2000 gallons of seawater. The seawater is 7.5% salt. How many gallons to the nearest gallon of fresh water must be added to the tank so that the mixture only contains 7%?
Click here to see answer by josgarithmetic(39617)

Question 892875: 4 skilled workers can do a job in 5 days. 5 semi skilled worers can do
The same job in 6 days.How long does it take 1 semi skilled and 2 ski
Lled wlrkers to do the job working together?
Click here to see answer by josgarithmetic(39617)

Question 892882: What volume of each of a 20% acid solution and a 50% acid solution should be combined to from 48 mL of a 25% solution

Click here to see answer by josgarithmetic(39617)

Question 892950: A solution is prepared by adding 30g of sugar into 500g of water.How
much sugar must be added to the solution to obtain a new solutionn
containing 40% of sugar?
Click here to see answer by richwmiller(17219)

Question 892980: How many ounces of 8% acid and how many ounces of 20% acid must be mixed to get 10 ounces of 17.6% acid?
Click here to see answer by Alan3354(69443)

Question 892994: How many gallons of a 60% solution should Angela add to 30 gallons of a 10% solution to produce a 40% solution?
Click here to see answer by josmiceli(19441)

Question 893053: average age of 6 children is 7 years .the average age increased by 5 years when the age of father is also included.find the age of father
Click here to see answer by stanbon(75887)

Question 893132: How many milliliters of pure acid must be added to 150 milliliters of a 30% acid solution to obtain a 40% acid solution

Click here to see answer by stanbon(75887)

Question 893161: How many grams of coffee, which costs $9/gram, should be mixed with 16 grams of coffee, which costs $5/gram, to make a mixture which costs $7/gram
Click here to see answer by josgarithmetic(39617)

Question 893195: Juan grilled 4 pounds of meat for 20 servings
Click here to see answer by Alan3354(69443)

Question 893252: You have in stock 50% solution and 30% solution? How much is each you need to create a 1000 ml of 40% solution
Click here to see answer by Alan3354(69443)

Question 893486: By how much should a machinist decrease the length of a rod that is 4.78 cm long if the length must be within 0.02 cm and of 4.5 cm?
Click here to see answer by rfer(16322)

Question 893618: if i have 25ml of cement and a 25ml of sand mix to a 12ml of water what do i get?

Click here to see answer by Alan3354(69443)

Question 893619: a sculptor wants to cast a bronze statue from an alloy that is 60% copper. he has 30 kilos of a 40% alloy . how much 80% copper alloy should he mix it with to obtain the 60% copper alloy ?
Click here to see answer by Alan3354(69443)

Question 893628: suppose that you have a supply of a 30% alcohol solution and 70% alcohol solution . how many litters of each solution should be mixed to produce 20 liters that is 40% alcohol ?
Click here to see answer by richwmiller(17219)

Question 893810: Which term describes a mixture of 42 percent gold, 20 percent silver, and 38 percent copper?
Click here to see answer by josgarithmetic(39617)

Question 893824: A certain recipe asks for 6/7 cup of granola. How much is needed to make 3/8 of a recipe?
Click here to see answer by josmiceli(19441)

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