Question

The difference of two numbers is 12. If the greater number is three times the smaller one, find the numbers. ​

Answer 1

2 numbers to find are a and b

We have: a - b = 12; a = 3b

=> a = 18; b = 6

Answer 2

Let the two numbers be X

The great number is X and the smaller number is 3X

X=3X

X-3X=12

-2X=12

X=12/-2

X=-6

The other number =3*6=18