Answer:
6 pairs of socks for 6.99.
Explanation:
Because 11.99 is almost $12 and 6.99 is almost $7, so 6 for 7 is better than 10 for 12. Also if you divide 11.99 by 10 you get 1.199 and if you divide 6.99 by 6 you get 1.165.
10 pairs of socks for $11.99
6.99/6 = 1.165
1.99/10 = 0.199
0.199 < 1.165
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