SOLUTION: Today jack is twice as old as Jill In ten years time jack will be one and a half times as old as Jill ,how old will jack and Jill be in twenty years?
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Question 1043093: Today jack is twice as old as Jill In ten years time jack will be one and a half times as old as Jill ,how old will jack and Jill be in twenty years? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Today jack is twice as old as Jill In ten years time jack will be one and a half times as old as Jill ,how old will jack and Jill be in twenty years?
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J = 2L
J+10 = (3/2)(L+10)
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Substitute for "J" and solve for "L":
2L+10 = (3/2)L + 15
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(1/2)L = 5
Jill = 10 yrs
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Jack = 2L = 20 yrs
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Cheers,
Stan H.
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