SOLUTION: jack is twice as old as lacy.In 3 years the sum of their ages will be 54 .How old are they now?
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Question 990024: jack is twice as old as lacy.In 3 years the sum of their ages will be 54 .How old are they now?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
jack is twice as old as lacy.In 3 years the sum of their ages will be 54 .How old are they now?
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Equations:
j = 2L
j+3 + L+3 = 54
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Substitute for "j" and solve for "L"::
2L+3 + L + 3 = 54
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3L = 48
L = 16 yrs (Lacy's age now)
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J = 2L = 32 yrs (Jack's age now)
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Cheers,
Stan H.
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