Nathan had some money. He spent 1/8 of it on a T-shirt and 3/4 of the remainder on a pair of shoes. After that, his parents gave him $715. The ratio of the total amount of money he had left at the end to the amount of money he had at first was 9:4. How much did Nathan have at first?
Let amount he started with be A
After spending , he was left with
After spending of remainder on shoes, he had remaining
After receiving $715 from his parents, he then had:
With , we finally have:
7A + 8(2,860) = 72A ------ Multiplying by LCD, 8
8(2,860) = 72A - 7A
8(2,860) = 65A
Initial amount he had: $352