Yili, Lynn and Devi went shopping. Yili spent 0.25of the total amount Lynn and Devi spent, while Devi spent 4/11 of the total amount Yili and Lynn spent. Lynn spent $37.50 more than Yili. If Lynn had $90 before she went shopping, what fraction of her money did she spend? Express your answer in its simplest form.

Willy and Peter have $256. Willy spent 0.5 of his money on a shirt while Peter spent 0.4 of his money on a bag. The bag cost $8 more then the shirt. How much money did Willy have at first