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Mathematics, 10.07.2019 13:00 myanniespencer39

Acarpenter purchased 60 ft of redwood and 90 ft of pine for a total cost of $315. a second purchase, at the same prices, included 100 ft of redwood and 60 ft of pine for a total cost of $408. find the cost per foot of redwood and of pine.

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Acarpenter purchased 60 ft of redwood and 90 ft of pine for a total cost of $315. a second purchase,...
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