SOLUTION: Carlos is currently three times as old as his sister Lucy. In 7 years, Carlos will be 2 years less than twice her age. How old is he now ?

Question 1050936: Carlos is currently three times as old as his sister Lucy. In 7 years, Carlos will be 2 years less than twice her age. How old is he now ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Carlos is currently three times as old as his sister Lucy. In 7 years, Carlos will be 2 years less than twice her age. How old is he now ?
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C = 3*L
C+7 = 2(L+7)-2
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Substitute for C and solve for "L"::
3L+7 = 2L+12
L = 5
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C = 3*L = 15 yrs
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Cheers,
Stan H.
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