Roy spent $120 on a pair of jeans. He spent 4/7 of the remaining amount on a shirt. He had 1/9 of his money left. How much did Roy have at first?
x = origianl amount
x -120 after spending 120
spend 4/7 of this leaves 3/7
(x-120) * 3/7 = 1/9 x Can you solve this for 'x' ?