" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
roda mobil = 4x | roda motor = 2y
x+y = 55 |×4| 4x+4y = 220
4x+2y = 150 |×1| 4x+2y = 150
---------------------------------------- -
2y = 70
y = 35
4x+2y = 150
4x+2(35) = 150
4x = 150-70
4x = 80
x = 20
jadi, banyak mobil yang ada ditempat parkir itu ada 20 mobil