Word Problems

The manager has one type of coffee that sells for \$5 per pound and another type that sells for \$11 per pound. The manager wishes to mix 90 pounds of the \$11 coffee to get a mixture that will sell for \$10 per pound. How many pounds of \$5 coffee should be used?

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2. 👎 0
3. 👁 426
1. let the number of pounds of the cheaper kind be x

solve for x

11(90) + 5x = 10(90+x)

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2. 👎 0

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