A store sells socks at $3 per pair.

To find the total cost for different numbers of pairs of socks, simply multiply the number of pairs by the price per pair, which is $3. Here’s the breakdown for each quantity:

– For 1 pair: 1 × $3 = $3

– For 2 pairs: 2 × $3 = $6

– For 4 pairs: 4 × $3 = $12

– For 9 pairs: 9 × $3 = $27

– For 18 pairs: 18 × $3 = $54

– For 15 pairs: 15 × $3 = $45

So, you can fill in the table as follows:

– 1 pair: $3

– 2 pairs: $6

– 4 pairs: $12

– 9 pairs: $27

– 18 pairs: $54

– 15 pairs: $45

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