" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
harga kaos = y
a) x = 3y
2x + 3y = 420.000
2(3y) + 3y = 420.000
6y + 9y = 420.000
15y = 420.000
y = 28.000
b) x = 3y
x = 3 × 28.000
x = 84.000