JeonAsh JeonAsh

20-03-2017
Mathematics

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Carlo is now 4 times as old as Carla. 5 years ago the sum of their ages was 45 years old. How old is each now? (pls include equation and solution thx)

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HurruDurru HurruDurru

20-03-2017

X- Carlo
Y-carla

X=4y
(X+4y)-5=45

8y-5=40
Y=5

X=4*5
X=20

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