Lanchuiviz
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How to solve number 25?

How To Solve Number 25 class=

Sagot :

AnneCviz
Let x be the number of weeks.

Malou's money: 500 + 50x
Arthur's money: 700 + 40x

[tex]500 + 50x = 700 + 40x \\ \\ 50x-40x=700-500 \\ \\ 10x=200 \\ \\ x=20[/tex]

They will have the same amount of money (P1,500) in 20 weeks.