Grade 11 Mixture Problems Worksheet
Solve mixture problems involving percentages, concentrations, and quantities for Grade 11 algebra students.
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Mixture Problems: Grade 11 Algebra
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Read each problem carefully and solve for the unknown quantities. Show all your work.
1. A chemist has one solution that is 30% acid and another solution that is 60% acid. How much of each solution should be used to make 100 liters of a solution that is 50% acid?
2. A grocer mixes two types of coffee. One type sells for $8 per pound and the other for $12 per pound. If the grocer wants to make 50 pounds of a mixture that sells for $10.40 per pound, how many pounds of the $8 coffee should be used? The grocer should use pounds of the $8 coffee.
3. A radiator contains 10 liters of a 20% antifreeze solution. How much of this solution should be drained and replaced with pure antifreeze to obtain a 50% antifreeze solution?
2 liters
3 liters
4 liters
5 liters
4. A candy store sells chocolate for $15 per pound and another type of chocolate for $25 per pound. How many pounds of each should be mixed to get 10 pounds of a mixture that sells for $18 per pound?
5. If you mix 5 liters of a 10% saline solution with 5 liters of a 20% saline solution, the resulting mixture will be a 15% saline solution.
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