Try another version of this question
You have one type of chocolate that sells for $3.50/lb and another type of chocolate that sells for $9.70/lb.
You would like to have 12.4 lbs of a chocolate mixture that sells for $8.80/lb.
How much of each chocolate will you need to obtain the desired mixture?
You will need
lbs of the cheaper chocolate
and
lbs of the expensive chocolate. 1.8
10.6