Question 849615: Alicia is 7 years older than Bruce. Next year she wass be twice as old as he will be. How old is she now? Found 2 solutions by lwsshak3, josmiceli:Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Alicia is 7 years older than Bruce. Next year she will be twice as old as he will be. How old is she now
..
At present:
let x=Alicia's age
x-7=Bruce's age
..
Next year:
x+1=2(x-7+1)
x+1=2x-12
x=13
How old is Alicia now? 13
You can put this solution on YOUR website! Let = Alicia's age now
Let = Bruce's age now
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(1)
(2)
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Substitute (1) into (2)
(2)
(2)
(2)
and
(1)
(1)
(1)
She is 13
check:
(2)
(2)
(2)
(2)
OK
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