" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x/4 + x/10 - x/5 = 15
5x + 2x - 4x / 20 = 15
3x/20 = 15
x= 15 . 20/3
x= 100