Homework Help: Word Problems

Posted by Melanie on Monday, March 7, 2011 at 9:03am.

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?

Word Problems - Reiny, Monday, March 7, 2011 at 10:05am
let the number of pounds of the cheaper kind be x

solve for x

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

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