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A number, on subtracting 15 from it, rec...

A number, on subtracting 15 from it, recluces to its 80%. What ls 40% of the number?

A

75

B

60

C

30

D

90

Text Solution

AI Generated Solution

The correct Answer is:
To solve the problem step by step, let's denote the unknown number as \( X \). ### Step 1: Set up the equation According to the problem, when we subtract 15 from the number \( X \), it becomes 80% of \( X \). This can be expressed mathematically as: \[ X - 15 = 0.8X \]
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