Question 685725: Four years from now, Daisy will be twice as old as Libeth. Six Years ago she was four times as old as her. Find their present ages. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Four years from now, Daisy will be twice as old as Libeth. Six Years ago she was four times as old as her. Find their present ages.
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Equations:
d+4 = 2(L+4)
d-6 = 4(L-6)
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Rearrange:
d - 2L = 4
d - 4L = -18
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Subtract and solve for "L":
2L = 22
Libeth = 11 years
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Solve for "d" using d -2L = 4
d -22 = 4
Daisey = 26 years
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Cheers,
Stan H.
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