1. "Wow, all dolled up!" Mary exclaimed. "New coat, new trousers, new shoes. Did you win a lottery?" "Come on, they weren't so expensive," Doug replied. "Only 102 pounds for the lot. The coat was just three times the shoes, and the trousers half as much as shoes and coat together." What were the individual prices?

Shoes were 17 pounds, trousers were 34 pounds, coat was 51 pounds

Shoes were 20 pounds, trousers were 28 pounds, coat was 44 pounds

Shoes were 15 pounds, trousers were 32 pounds, coat was 58 pounds