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Question 873539: Mix 20% alcohol solution with some 45% alcohol. How much of each solution should be used to get 30oz of a 25% alcohol solution?
Click here to see answer by josgarithmetic(39617)

Question 873545: how many ounces of a 20% solution of potassium chloride must be mixed with 10 ounces of an 8% solution to make a 16% solution
Click here to see answer by josgarithmetic(39617)

Question 873567: Some 80% acid solutions is to be mixed with 35% acid solution to make 300 liters of 50% solution. How much of each acid should be used?
Click here to see answer by josgarithmetic(39617)

Question 873997: if 3x^2-2x+7=0 then (x-1/3)^2

Click here to see answer by ewatrrr(24785)

Question 874016: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 50% salt and Solution B is 80% salt. She wants to obtain 150 ounces of a mixture that is 60% salt. How many ounces of each solution should she use?
SOLUTION A: __________ OUNCES
SOLUTION B: __________ OUNCES
Click here to see answer by ewatrrr(24785)

Question 874101: A metallurgist needs to make 12.4 lb. of an allot containing 50% gold. He is going to melt and combine one metal that is 60% gold with another metal that is 40% gold. How much of each should he use?
Click here to see answer by josgarithmetic(39617)

Question 874155: student has a cumulative 85% grade that counts for 80% of her final grade going into finals. What percent grade does she need on her final (20% of her grade) to score above 90% for her total cumulative grade
Click here to see answer by ewatrrr(24785)

Question 874174: How many liters of 100% concentrated orange juice will I need to put in if I'm combining 6 liters of 30% concentrated orange juice with x liters of 100% concentrated orange juice to make it equal to 58% concentrated orange juice
Click here to see answer by jim_thompson5910(35256)

Question 874214: What is the name for a problem with only one answer?

Click here to see answer by richard1234(7193)

Question 874273: 12 ml of a 51% acid solution was mixed with 4ml of a 87% acid solution. Find the concentration of the new mixture.
Click here to see answer by mananth(16946)

Question 874273: 12 ml of a 51% acid solution was mixed with 4ml of a 87% acid solution. Find the concentration of the new mixture.
Click here to see answer by stanbon(75887)

Question 874371: 7 liters = how many quarts

Click here to see answer by ewatrrr(24785)

Question 874931: If you have two cars and in one car you fill up 15 liters of gasoline and in second car you fill up 5 liter of petrol. You pay Rs. 1510 for both filling. The price of gasoline (per liter) is Rs. 42 less that the price of petrol. Find the price per liter of gas and petrol.
Hint: Use matrices to solve the question.

Click here to see answer by josgarithmetic(39617)

Question 875034: You mix 50 milligrams of a 7% saline solution with 30 milligrams of a 5% saline solution. About what percent of the mixture is salt?
Click here to see answer by Alan3354(69443)

Question 875143: The Question is: a chemist plans to combine a 12% acid solution with a 30% acid solution to make 72 litres of a 20% solution. Use simultaneous equations to determine how many litres of each solution that should be used?

Click here to see answer by josgarithmetic(39617)

Question 875247: in 2005 there were 14,600 students at college a with a projected enrollment increase of 750 students per year. In the same year there were 32,000 students at college B, iwth a projected enrollment decline of 1000 per year. According to these projections when will the colleges have the same enrollment? What will the enrollment be in each college at that time?
Click here to see answer by ewatrrr(24785)

Question 875840: I need an answer to how much salt do I add to ten litres of water to get a 60 per cent solution ?
Click here to see answer by ewatrrr(24785)

Question 876072: how many liters of alkali must be added to 10 liters of water to ba able to produce a solution that is 75% alkali
Click here to see answer by ewatrrr(24785)

Question 876206: How many ounces of candy costing $1 per
ounce must be mixed with 6 ounces of candy
costing 70 cents per ounce to yield a mixture
costing 80 cents per ounce?
Click here to see answer by josgarithmetic(39617)

Question 876333: How many gallons each of a 5% acid solution and a 20% acid solution to make 3 gallons of a 15% acid solution?

Click here to see answer by josgarithmetic(39617)

Question 876333: How many gallons each of a 5% acid solution and a 20% acid solution to make 3 gallons of a 15% acid solution?

Click here to see answer by ewatrrr(24785)

Question 876463: You have 20% saline and 50% saline, how much of each solution should be mixed together to get 60mL of 28% saline?

Click here to see answer by mananth(16946)

Question 876479: What is the word for poisonous gas
Click here to see answer by Alan3354(69443)

Question 876513: Will you make a new ten to solve this problem? Explain. 59+17=?
Click here to see answer by richard1234(7193)

Question 876506: Is Nasim mixes 40mL of a 20% acid solution with 60 mL of a 35% acid solution. What percent acid is the final solution?

Click here to see answer by josgarithmetic(39617)

Question 876693: how many gallons of 50% antifreeze solution must be mixed with 90 gallons of 20% antifreeze to get a mixture that is 40% antifreeze?
Click here to see answer by josgarithmetic(39617)

Question 876704: How many pounds of 50% hydrogen peroxide is equivalent to 150lbs of 35% hydrogen peroxide?
Click here to see answer by LinnW(1048)

Question 876972: how many liters of a 10% alcohol solution must be mixed with 12 L of 5% alcohol solution to produce an 8% solution?
Click here to see answer by josgarithmetic(39617)

Question 877226: I also can not figure this one out
How would you make 500 mL of a 10% salt water solution?
Click here to see answer by Alan3354(69443)

Question 877225: How much salt and water are present in 300 mL of a 4% solution? I can not figure this out and I dont know how to start.
Click here to see answer by Alan3354(69443)

Question 877365: How many liters of a 6% solution of salt should be added to a 20% solution in order to obtain 630 liters of a 12% solution?
Click here to see answer by josgarithmetic(39617)

Question 877489: I need to put fungicide on my blueberries. The expensive stuff has active ingredient of 40%. What I have the same active ingredient is 2%. How much of the 2% do I need to use to equal the 40%?
y(2) = x(40)
2/40 = 20
multiply 2% x 20 to equal the 40%
so, 2 tsp x 20 = 40 tsp ??

Click here to see answer by Alan3354(69443)

Question 877544: How many grams of glucose and 10% glucose solution should be mixed to obtain 90g of 20% solution?
Click here to see answer by josgarithmetic(39617)

Question 877560: Have 60ml solution with 3% acid. How much water to add to get solution with 2.2% acid?
Click here to see answer by josgarithmetic(39617)

Question 877598: How many quarts of pure antifreeze must be added to 4 quarts of a 40% antifreeze solution to obtain a 60% antifreeze solution?
Click here to see answer by jim_thompson5910(35256)

Question 877718: If I have 4litres of a 90% alcohol solution how many liters of a 70% solution would would this 4 litres make? I think the equation should look like this
(4*90)/70 =x so it would be a total of 5.14 liters of 70% solution
It has been many years since I have had to do algebra and I am not 100% sure my logic is correct!
Thank you
Click here to see answer by Alan3354(69443)

Question 877842: a bottle of wine has 8% alcohol, another has 15% alcohol. How much of each must be mixed to have 100 liters of 12.2% alcohol wine
Click here to see answer by Alan3354(69443)

Question 877862: I have one gallon of acid 30% solution . I need to reduce it to 5% acid. How much water should I add?
Click here to see answer by jim_thompson5910(35256)

Question 877837: what number is 33 1/3% of the positive difference between 25% of 60 and 75% of 16?
Click here to see answer by rfer(16322)

Question 877874: How many liters of pure acid should a chemist mix with 4 liters of a 10% acid solution to produce a solution that is 80% acid?
Click here to see answer by josmiceli(19441)

Question 877859: An alloy containing 15% brass is to be combined with an alloy containing 35% brass to form an alloy containing 27% brass. How much of each alloy should be combined to make 200 pounds of the 27% brass alloy?
Click here to see answer by ankor@dixie-net.com(22740)

Question 877957: How many liters of 10% alcohol solution and 5% alcohol solution must be mixed
to obtain 40 liters of 8% alcohol solution.
Click here to see answer by josgarithmetic(39617)

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