# Math

Cathy had a sum of money. She spent 1/5 of it in September, 1/4 of it in October and 120 in November. After spending these amounts of money, she still had 540 left. How much money did she have at first?

1. 👍 0
2. 👎 0
3. 👁 1,693
1. Cathy had \$X.
x - x/5 - x/4 - 120 = 540.
x - 4x/20 - 5x/20 - 120 = 540,
20x - 4x - 5x - 2400 = 10,800,
11x = 13,200, X = \$1200.

1. 👍 3
2. 👎 5
2. 1200

1. 👍 0
2. 👎 0

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