Question 610676
Roberta is three years younger than Rachel. Eight years ago, Roberta was ONE HALF Rachel's age. How old is each girl?
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let x=Rachel's present age
x-3=Roberta's present age
8 years ago:
Rachel's age=x-8
Roberta's age=x-3-8=x-11
x-11=(1/2)(x-8)
2x-22=x-8
x=14
x-3=11
ans:
Rachel's present age=14
Roberta's present age=11