SOLUTION: The sum of the ages of Ariel, Orlan and Gerald is 27. Three years from now Orlan will be 4 times as old as Ariel. If Gerald was twice as old as Ariel 3 years ago, how old are they

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Question 778874: The sum of the ages of Ariel, Orlan and Gerald is 27. Three years from now Orlan will be 4 times as old as Ariel. If Gerald was twice as old as Ariel 3 years ago, how old are they ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of the ages of Ariel, Orlan and Gerald is 27. Three years from now Orlan will be 4 times as old as Ariel. If Gerald was twice as old as Ariel 3 years ago, how old are they ?
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Equations:
a + o + g = 27
o+3 = 4(a+3)
g-3 = 2(a-3)
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Rearrange:
a + o + g = 27
4a -o + 0 = -9
2a +0 - g = 3
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I used my TI-84 Matrix function to get:
ariel = 3 yrs
orlan = 21 yrs
gerald = 3 yrs
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Cheers,
Stan H.
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