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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