Question

After 12 years Manoj will be 3 times old as he was 4 years ago.Find his present age

Answer 1

His present age is 8

Explanation:

Step 1: Let x represent Manoj's present age

Step 2: 12=3(x-4), 12=3x - 12, 12+12=3x

24=3x , 3x÷3,24÷3

then 3 cancells 3 leaving x.

then 3 goes into 24, 8 times.

therefore his present age is 8