Blusa=x
Calça= y
2x+y=156
x=y/2
2.y/2+y=156
y.2+y=156/2
y.2+y=78
y+y=78.2
2y=156
y=156/2
y=78
x=78/2
x=39
cada blusa custou R$ 39,00
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Blusa=x
Calça= y
2x+y=156
x=y/2
2.y/2+y=156
y.2+y=156/2
y.2+y=78
y+y=78.2
2y=156
y=156/2
y=78
x=y/2
x=78/2
x=39
cada blusa custou R$ 39,00