Question

if one fourth of a number is added to one third of that number is result is 15 greater than the half of the number find the number

Answer 1

Let the number be x.
1/4x+1/3x=15+1/2x
1/4x+1/3x-1/2x=15
3x+4x-6x/12=15
x=12×15
=180
Hope it helps:)