Mixture Problem

Question

Dried Raspberries sell for $4.50 per pound and Oat Flakes sell for $2.80 per pound. How many pounds of dried raspberries should be mixed with 12 pounds of Oat Flakes to get a mixture that sells for $3.14 per pound?

Answer 1

x represents amount of $2.80/lb

 

4.50(12 - x) + 2.80x = 3.14(12)

 

Can you solve for x?