SOLUTION: A carpenter purchased 70 ft of redwood and 90 ft of pine for a total cost of $343. A second purchase, at the same prices, included 90 ft of redwood and 70 ft of pine for a total co

SOLUTION: A carpenter purchased 70 ft of redwood and 90 ft of pine for a total cost of $343. A second purchase, at the same prices, included 90 ft of redwood and 70 ft of pine for a total co

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Question 1103376: A carpenter purchased 70 ft of redwood and 90 ft of pine for a total cost of $343. A second purchase, at the same prices, included 90 ft of redwood and 70 ft of pine for a total cost of $377. Find the cost per foot of redwood and of pine.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
70r+90p=343
90r+70p=377
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