The difference of the ages of 2 sisters was 5 years.Ten years ago,the sum of their ages was 65 years.What was their present ages

Answers (1)
S safeer

Let the age be x and x-5

Given 10 years ago sum of their ages is 65. That is

(x-10)+(x-5-10)=65

2x-25=65

2x=90

x=45

x-5=40

So the present ages are 45 and 40

 

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