math question about ages

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dentalwanabee

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having trouble with this one...

The ratio of Larry's and Sharon's age is 2:1. In 7 years the ratio will be 3:2. How old is Larry today?
 
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dentalwanabee said:
having trouble with this one...

The ratio of Larry's and Sharon's age is 2:1. In 7 years the ratio will be 3:2. How old is Larry today?
Click to expand...

Now:
L / S = 2 / 1

In 7 yrs:
(L + 7) / (S + 7) = 3 / 2

2 equations, 2 unknowns
 
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