need help with word problem

label Algebra
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Alyssa is 3 years older than Gladys. William is twice as old as Alyssa. Altogether their ages total 89. How old is Gladys?

May 18th, 2015

Let age of Gladys be G.

Age of Alyssa=G+3

Age of William=2*(G+3)

As provided

G+(G+3)+2*(G+3)=89

4G+9=89

G=20 years

Thus Gladys age is 20 years


May 18th, 2015

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May 18th, 2015
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May 18th, 2015
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