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July 5, 2015

Homework Help: Math Word Problem

Posted by Amy~ on Sunday, September 12, 2010 at 12:00am.

a new blend of coffee will cost $3.90 per pound by mixing 2 coffees that sell for $2.75 and $5 per pound. what amounts of each coffee should be blended to obtain the desired mixture?
(the total weight of the desired blend is 100 lbs)

How would I solve this?
The equation would 3.90 = 2.75x + 5x ?
3.90(100) = 2.75x + 5x

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