.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
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