Math, asked by warzadaeffi6928, 10 months ago

The ages of two friends A and B differ by 3 years. A’s father D is twice as old as A and B is twice as old as his sister C. The ages of D and C differ by 40 years, find the age of his sister C.

Answers

Answered by mallikarjuna45

1

Answer:

We know that A-B=3y

D=2(A+B)=2C

D-C=40.....

D=2C.

2C-C=40 (substituting D=2C)

C=40.

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