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Ama is thrice as old as her daughter and ten years ago Ama was five times as old as her daughter so how old were they ten years ago
by

1 Answer

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Let

X=Ama age

Y=daughter age

X=3Y -------(1)

X -10=5(Y -10) ----(2)

Substituting equation (1) in(2)

3Y -10=5Y -50

2Y =40

Y=20

X=3Y=3×20=60.

Ten years ago

Ama age=  X-10=60-10=50 years old

Her daughter age=  Y-10=20-10=10 years old.

by (26.6k points) edited by

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