Answer to Question #246733 in Algebra for korina

Question #246733

A man died and left the following instructions for his fortune. Half to his wife, one-seventh of what was left to his son, two-thirds of what was left went to his butler, the man’s pet got the remaining 100,000 pesos. How much money did the man leave behind altogether?


1
Expert's answer
2021-10-05T17:55:45-0400

Man leave A money altogether.

To wife: A12=A2.A*\frac{1}{2}=\frac{A}{2}. Left 1A2=A2.1-\frac{A}{2}=\frac{A}{2}.

To son: A217=A14.\frac{A}{2}*\frac{1}{7}=\frac{A}{14}. Left A2A14=3A7.\frac{A}{2}-\frac{A}{14}=\frac{3A}{7}.

To butler: 3A723=27.\frac{3A}{7}*\frac{2}{3}=\frac{2}{7}. Left 3A72A7=A7.\frac{3A}{7}-\frac{2A}{7}=\frac{A}{7}.

To pet: A7=100000.\frac{A}{7}=100000.

Thus, A=700000A=700000.



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