Question 808137: Amy is 18 years old. Dave is 2 years old. How many years will it take for Amy to be 3 times as old as dave
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! a + y = 3(d + y)
a = 18
d = 2
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18 + y = 3(2 + y)
18 + y = 6 + 3y
2y = 12
y = 6
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Answer:
in 6 years
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