Question

The difference between increasing a number by 8% and decreasing it by 7% is 75. What is the number​

Answer 1

Let the number = x

(100% + 8%)x - (100% - 7%)x = 75

108%x - 93%x = 75

1.08x - 0.93x = 75

0.15x = 75

x = 75/0.15

x = 500

So The number is 500

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