swim trucks + pair of shorts + T-shirt = 60 dollars S + P + T = 60 (P + 9) + P + (P + 3) = 60 3P + 12 = 60 ====> 3P = 60-12 = 48 P == 16. Thus pair of shorts costs $16. Then swim trucks cost 16 + 9 = 25 dollars and T-shirt costs 16+3 = 19 dollars. Check. 16 + 25 + 19 = 60 dollars. ! Correct ! Answer. Pair of shorts costs $16. swim trucks cost 25 dollars. T-shirt costs 19 dollars.