" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2/3=30/55-x
2(55-x)= 30×3
110-2x=90
110-90=2x
20=2x
x=10
4/5=60/y ⇒ 4y=300 ⇒ y=300:4=75- (60+5) =75-65 =10 cm sisa dibawah foto