the ages of two sisters are in the ratio 5:2. ten years ago thrir ages were in the ratio 4:1. find the present ages
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Step-by-step explanation:
let the common mulyiple be x
the present age of elder sister is 5x
the present age of younger sister is 2x
10 years ago,
the age of elder sister is 4x
the age of younger sister is x
5x-10=4x
x=10
the present ages of two sisters are 50 &20 years
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