# Math

A contractor buys 14 yd of nylon carpet and 20 yd of wool carpet for \$1738. A second purchase, at the same prices, includes 16 yd of nylon carpet and 25 yd of wool carpet for \$2102. Find the cost per yard of the wool carpet.

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1. If they cost \$n and \$w per yard, then we have

14n+20w = 1738
16n+25w = 2102

Now just solve for n and w.

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