A boy purchased

Question

A boy purchased (bought) a party-length sandwich 53 in. long. He wants to cut it into three pieces so that the middle piece is 5 in. longer than the shortest piece and the shortest piece is 9 in shorter than the longest piece. How long should the three pieces be

Answer 1

s represents the length of the short piece

s + 5 represents the length of the middle piece

s + 9 represents the length of the long piece

s + s + 5 + s + 9 = 53

Can you solve for s and answer?