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13 October, 06:05

A carpenter purchased 70ft of redwood and 70ft of pine for a total cost of $282. A second purchase, at the same prices, included 100ft of redwood and 50? ft of pine for a total cost of $390. Find the cost per foot of redwood and of pine.

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  1. 13 October, 06:30
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    I think the answer is $2.01 per 1ft of redwood and pine

    282/2

    =141

    $141/70ft : 70/70

    =$20.1 per 1ft
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