Joe spent 25% of his money on food. He spent 25% of the remainder on drink. He had $9 left. How much money did Joe have to start?

1 answer

.25 x for food

.25 * .75 x for drink = .1875 x

.25 x + .1875 x = .4375 x spent

x - .4375 x = 9

.5625 x = 9

x = $ 16