Question

The difference of a number and it's double is 15. find a number​

Answer 1

Answer:

Difference of two numbers = 15

Let smaller number = x

∴ Second number = x + 15

∴ Larger number = x + 15

If sum of two numbers = 71

Then x + x + 15 = 71

2x + 15 = 71

2x = 71 - 15

x = 56/2

x = 28