SOLUTION: Flor is 24 years old and joy is 10.When was Flor three times the age of Joy?

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Question 584181: Flor is 24 years old and joy is 10.When was Flor three times the age of Joy?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
you want to find how many years(y) ago that makes flor exactly 3 times as old as joy
so its flors age 24 minus the (y) years that equals 3 times joys age 10 minus (y)
we subtract years because the question is asking when WAS... and not when WILL.
24-y=3%2810-y%29
24-y=30-3y
2y=6
y=3
check
24-3=21
10-3=7
7 * 3 = 21
correct