Solution problems

PercentAmountmixture 60%.6 x.6x 20%.25 1 End product-50%.5X+5.5(x+5) 1. How liters of a 60% solution must be added to 5 gallons of 20% solution in order to make a 50% solution?

PercentAmountmixture 80% 20% End product- 50% 2. Ralph promised to make the fruit punch for the monthly meeting of the “Eat Right” group. Because of the group’s philosophy, the punch has to be 50% organic fruit juice. He already has some Jungle Fruit (80%) juice and some Fruit Fantastic (20%) juice. If he needs 40 gallons of 50% for the meeting, how much of each should he use?

PercentAmountmixture 80% water End product- 30% 3. A chemist has 3 liters of a solution which is 80% acid. How much water should be added to obtain a strength of 30%?

$ value of eachAmountTotal value Dimes Quarters Total amount 4. Ralph had 21 coins – all dimes and quarters – totaling $3.00 in his pocket. How many of each type coin did his mother find in the dryer?

%Amount mixture Cream Skim milk mixture 5. A liter of cream has 9.2% butterfat. How much skim milk containing 2% butterfat should be added to the cream to obtain a mixture of 6.4% butterfat?

$ eachAmountvalue Milky Ways Nerds Total spent 6. Ralph had $6 to spend on candy. He wanted to buy both Milky Ways ($.70) and Nerd s($.60). He remembered section 3-9 of his algebra book and ended up buying 9 candy bars and spending every penny. How many of each did he buy?

$ eachAmountvalue Cheap stuff Expensive stuff End mixture 7. How much coffee costing $3 a lb should be mixed with 5 pounds of coffee costing $3.50 per pound to obtain a mixture costing $3.25 a pound?