SOLUTION: Adam is half as old as Erin. The difference in their ages is 16. Erin's age is the variable x.

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Question 212053: Adam is half as old as Erin. The difference in their ages is 16. Erin's age is the variable x.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Adam is half as old as Erin. The difference in their ages is 16. Erin's age is the variable x.
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Equations:
A = (1/2)E
E - A = 16
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Substitute for "A" and solve for E:
E - (1/2)E = 16
(1/2)E = 16
E = 32 (Erin's age)
A = (1/2)32 = 16 (Adam's age)
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Cheers,
Stan H.