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Question 962703: A chemist wants to mix three different solutions to create 100 milliliters of a solution that is 13.5% alcohol.Solution A is 10% alcohol, solution B is 15% alcohol and solution C is 30% alcohol. The amount of solution A that is used must be twice the amount of solution B that is used.How many milliliters of each solution should be the chemist combine?
Thank you for your help!God Bless...
Click here to see answer by ankor@dixie-net.com(22740)

Question 962790: How many liters of a 60% acid solution must be added to 14 liters of a 10% solution to produce a
25% acid solution? Set up an algebraic equation and solve the algebraic equation to find the number
of liters of the solution to be added.

Click here to see answer by josgarithmetic(39617)

Question 962892: The Carry It Company makes various size crates. Each crate is in the shape of a topless cube with wooden handles on two sides. IN an effort to save money on building supplies, the company reduces the length of each dimension of a crate by 7%. What is the resulting percent decrease in surface area of each carrying crate/
Click here to see answer by LinnW(1048)

Question 962930: If 400g of sugar costs �1.60, what does 1g of sugar cost ?
Click here to see answer by rfer(16322)

Question 963141: how much solution of 20% acid, must be added to a solution of 35% acid to get 60 gallons of a 25% solution?
Click here to see answer by lwsshak3(11628)

Question 963169: Matthew makes 20 oz of chocolate milk that is 6% chocolate syrup. Jose make 12 oz of chocolate milk that is 16% syrup. They want to combine their milk and syrup to create a 16 oz of chocolate milk that is 10 % syrup.
How much does Jose need to contribute?
Click here to see answer by josgarithmetic(39617)

Question 963139: x ounces of pure acid is added to 105 ounces of 20% acid solution. How much should be added so the new mixture is 50% acid?
Click here to see answer by ankor@dixie-net.com(22740)

Question 963548: A chemist has two solution of sulfuric acid: a 22% solution and an 70% solution. If the two solution are combined, how much of the 70% solution is needed to obtain 100 liters of a 60% solution. Round to nearest tenth.
Click here to see answer by josgarithmetic(39617)

Question 963159: what volumes of a 2% and 5% solution must be mixed to make 250 gallons of a 2.5% solution.
Click here to see answer by Fombitz(32388)

Question 963632: A 5-pound bag of sugar costs 1.90.What is the cost in dollars of a 2 pounds of the sugar?

Click here to see answer by josmiceli(19441)

Question 963849: How many ounces of a 40% alcohol solution must be mixed with 3 ounces of a 45% alcohol solution to make a 41% alcoholic solution?
Click here to see answer by josgarithmetic(39617)

Question 963911: 20.0 mL of apple juice is added to some water for a total volume of 120.0 mL of drink solution. Calculate the % apple juice.
Click here to see answer by fcabanski(1391)

Question 964126: The manager of a coffee shop has one type of coffee that sells for $7 per pound and another type that sells for $13 per pound.
The manager wishes to mix 70 pounds of the $13 coffee to get a mixture that will sell for $8 per pound.
How many pounds of the $7 coffee should be used?

Click here to see answer by macston(5194)

Question 964075: An alloy of silver and gold consists of 80 ounces, 10 ounces of which are gold. A new alloy is to be recast with an addition of silver. This new alloy also consists of 80 ounces, but is to have only one-fifth of an ounce of gold in 5 ounces.
What percentage of gold is in the new alloy after the recasting?
a. 100
b. 12.5
c. 4
Click here to see answer by lwsshak3(11628)

Question 964201: A man adds 3 lit. Of water to 12 lit. Of milk and another lit. Of water to 10 lit. Of milk. What is the ratio of strength of milk in two mixture?
Click here to see answer by josgarithmetic(39617)

Question 964068: Hydrocortisone AQUAPHOR q.s. ad 0.6% 15 g Sig. Apply to child�s affected area t.i.d. The pharmacist has no hydrocortisone powder but does have a hydrocortisone cream, 1%. How many grams each of hydrocortisone cream and Aquaphor should be used in filling the prescription?
Click here to see answer by macston(5194)

Question 964071: Pure milk costs Rs. 12 per litre. A milkman add some water to 16 litres of pure milk and sells the mixture at
Rs. 10 per litre by making 25% profit. How many litres of water does he added?
Click here to see answer by Theo(13342)

Question 964227: Tom uses water from a full tank to fill 6 bottles that each hold 16 ounces and a pitcher that holds half gallon. How many ounces of water are left?
Click here to see answer by addingup(3677)

Question 964236: Will is w years old
Ben is 3 years older.
Jan is twice as old as Ben.
If you add togather the ages of Will, Ben, and Jan the total comes to 41 years.
Write an equation and solve it to work out how old Will, Ben, and Jan are.
Click here to see answer by ankor@dixie-net.com(22740)

Question 964270: A chemist is using 328 mL of a solution of acid and water. If 17.7% of the solution acid how many milliliters acid Are there
Click here to see answer by macston(5194)

Question 964328: How many centiliters of pure acid must be added to 200 cl of a 40% acid solution to produce a 50% solution?
Click here to see answer by macston(5194)

Question 964424: What is the number of liters of solution B the chemist mixes with solution A to create solution C containing 25% acid?
Click here to see answer by macston(5194)

Question 964428: A chemist has two acid solutions. Solution A contains 10% acid, and Solution B contains 30% acid. He will mix the two solutions to make 10 liters of a third solution, Solution C, containing 25% acid.
The system of equations shown can be used to represent this situation.
x + y = 10
0.10x + 0.30y = 2.5
What is the number of liters of solution B the chemist mixes with solution A to create solution C containing 25% acid?
Click here to see answer by macston(5194)

Question 964457: You bought 34 pound of dry ice for an experiment. When the experiment was over, you found that you had used only 13 of what you bought. How much dry ice did you use?

Click here to see answer by Fombitz(32388)

Question 964882: A light brew coffee sells for $12 per pound is to be mixed with a dark brew coffee that sells for $9 per pound to get a 5-pound mixture that will sell for $10 per pound. How many pounds of light brew and dark brew coffee should be used?
Click here to see answer by macston(5194)

Question 965029: Split 6 liters of sugar water among 8 jars. Puts the same amount in each jar.how many milliliters of sugar water are in each jar
Click here to see answer by Alan3354(69443)

Question 965086: Please help me on this problem. The cellular phone plan you signed up for gives you 400 minutes a month for $35 and charges $15 for each additional minute over 400 minutes. How long can you talk on the phone each month and stay within a budget of $45?
Click here to see answer by benni1013(206)

Question 965246: How many liters of a 70% acid solution must be mixed with a 25% acid solution to get 270 L of a 60% acid solution?
Click here to see answer by Fombitz(32388)

Question 965461: each course at pease county community college is worth either 3 or 4 credit. The member of the women golf team are taken a total of 27 courses that are worth a total of 89 credit. How many 3 credit courses and how many 4 credit courses are being taken?
Click here to see answer by macston(5194)

Question 965466: A green paint is created by mixing 3 parts of yellow with every 5 parts of blue. How many gallons of yellow paint are needed to make 52 gal of this green paint?

Click here to see answer by Theo(13342)

Question 965681: A gift store is making a mixture of almonds, pecans, and peanuts, which sells for $3.50 per pound, $3 per pound, and $2 per pound, respectively. The storekeeper wants to make 50 pounds of mix to sell at $3.20 per pound. The number of pounds of peanuts is to be three times the number of pounds of pecans. Find the number of pounds of each to be used in the mixture?
I actually really like solving systems of equations, but I am having a hard time setting this one up to begin with! I will appreciate any help, and thanks in advance!
Click here to see answer by josgarithmetic(39617)

Question 965647: How many gallons of water must be added to 5 gallons of 99% Acedic Acid to dilute to 8%.
Click here to see answer by ankor@dixie-net.com(22740)

Question 965838: Orange juice is sold in 10 litre bottles, costing �7.40 per barrel. How much would l litre cost?
Click here to see answer by Alan3354(69443)

Question 966149: I pour some milk from a full 2L jug. How many mL of milk are left in the jug

Click here to see answer by Theo(13342)

Question 966245: How much pure alcohol is in 300 liters of a 30% alcohol solution

Click here to see answer by Alan3354(69443)

Question 966256: how much pure acid do you have to add to 250 mL of an 8% acid solution to get a 20% acid solution
Click here to see answer by lwsshak3(11628)

Question 966256: how much pure acid do you have to add to 250 mL of an 8% acid solution to get a 20% acid solution
Click here to see answer by ikleyn(52786)

Question 966164: Hi I'm having trouble solving word problems so if you can help me out with these it would be greatly appreciated. Thanks!
1) How much of a 4% acid solution should be mixed with a 12% acid solution to produce an 800ml of a 7% acid solution?
2) How much of an 8% saline solution should be added to 600 ml of a 3% solution to produce a 5% solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 966323: Algebra 1 help: How much of a 14% acid solution should be added to 90 oz of 47% acid solution to get a 29% Acid solution?
Click here to see answer by josgarithmetic(39617)

Question 966333: A paintet mixed 3 pints of yellow paint with 4 pints of green paint to blend a new color. He used 27 pints of yellow paint How many pints of green paint will he need?

Click here to see answer by amarjeeth123(569)

Question 966370: A fruit drink is 15% white grape juice. Use a system of equations to find the amount of pure white grape juice and the amount of this fruit drink needed to make 16 gallons of a new drink that is 21% white grape juice.
Click here to see answer by lwsshak3(11628)

Question 966390: I have 2 digits. I am between 16 and 24. I am one quarter of a multiple of 10. What am I?

Click here to see answer by ramkikk66(644)

Question 966793: a mother has to buy 18 chocolates for some children. some cost 3.50 and the remainder cost 5.70. calculate the least number of chocolates she can buy at 3.50 each if the total cost to her must be less than or equal to 76.50
Click here to see answer by lwsshak3(11628)

Question 966894: A ball is thrown vertically upward. After t seconds, its height h(in feet) is given by the function h(t)=84t-16t^2. What is the maximum height that the ball will reach?
Click here to see answer by amarjeeth123(569)

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