SOLUTION: A carpenter purchased 50 ft of redwood and 80 ft of pine for a total cost of $280. A second purchase, at the same prices, included 90 ft of redwood and 70 ft of pine for a total co

Question 1184065: A carpenter purchased 50 ft of redwood and 80 ft of pine for a total cost of $280. A second purchase, at the same prices, included 90 ft of redwood and 70 ft of pine for a total cost of $393. Find the cost per foot of redwood and of pine.

Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
price for redwood, r
price for pine, p

Solve the system in whatever way you are required, or how you want.
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