Question 408695
Not quite. If the dress socks cost b, then we can say that the athletic socks cost b-2.5. Also, six pairs of athletic socks were bought. Thus, we have


{{{b + 6(b - 2.5) = 21.75}}}


{{{7b - 15 = 21.75}}}


{{{7b = 36.75}}}


{{{b = 5.25}}} <--- Price of a pair of dress socks