x+y=45 x/y=4/5 5x=4y x=4y/5
4y/5+y=45
mmc=5
4y+5y=225 x=(4.25)/5
9y=225 x=20 Os números são 20 e25
y=225/9 y=25
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x+y=45 x/y=4/5 5x=4y x=4y/5
4y/5+y=45
mmc=5
4y+5y=225 x=(4.25)/5
9y=225 x=20 Os números são 20 e25
y=225/9 y=25