SOLUTION: if raisins cost $3.50/lb and grapes cost $5.90/lb, how much of each can you buy for $8.79. how do you set up to solve this?

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Question 987345: if raisins cost $3.50/lb and grapes cost $5.90/lb, how much of each can you buy for $8.79. how do you set up to solve this?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
r, pounds of raisins
g, pounds of grapes
3.5r%2B5.9g=8.79