Question

The difference between tge age's of two sisters is 10 years. If 15 years ago the elder one was twice as old as the younger one find their present age's

Answer 1

what is tge? means what

Answer 2

The difference between the ages of two sisters is 10 years.

If 15 years ago the elder one was twice as old as the younger one.

Find their present ages

:

Two sisters a & b

"The difference between the ages of two sisters is 10 years."

a - b = 10

or

a = (b+10)

:

"If 15 years ago the elder one was twice as old as the younger one."

a - 15 = 2(b - 15)

a - 15 = 2b - 30

a = 2b - 30 + 15

a = 2b - 15

Replace a with (b+10)

b + 10 = 2b - 15

10 + 15 = 2b - b

25 = b

:

So b is 25

hope this helps you

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