" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1,5 = 100/25 - 100/x
100/x = 4 - 1,5
100/x = 2,5
x = 100/2,5
x = 40 cm
Maaf kalau salah