how much did one pair of socks cost?

Question

Juan buys 4 shirts on sale for $15 each. He also buys 6 pairs of socks, each pair of socks being the same price. If the total cost for the clothes is $78, how much did one pair of socks cost?

Answer 1

Cost of the 4 shirts = 4 x $15

                             = $60.

Remaining dollars for purchage of socks =$78- $60

                                                         .=$ 18

Find the each pair cost of socks:

= $18/6

=$ 3