Question

You have a $150 gift card to use at a sporting goods store. You buy 2 pairs of shoes for $65. You plan to spend the rest of the money on socks. Socks

Differential equations
ANSWERED
asked 2021-06-07
You have a $150 gift card to use at a sporting goods store. You buy 2 pairs of shoes for $65. You plan to spend the rest of the money on socks. Socks cost $4.75 per pair. What is the greatest number of pairs of socks you can purchase?

Answers (1)

2021-06-08

\(150= 65(2) + 4.75(s)\) where \(s=\) the number of socks you can buy \(20= 4.75(s)\)
\(\displaystyle\frac{{20}}{{4.75}}={4.2105}\ldots..\)
So you can buy 4 pairs of socks. (Round down because you cant buy 0.2 pairs of socks).

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