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Steve is 5 times as old as Janis. In 12 years, he will be twice as old as she will be then. How old are they now?
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Steve is 5 times as old as Janis. In 12 years, he will be twice as old as she will be then. How old are they now?

User Ilija Dimov
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1 Answer

1 vote
Write this story as equations:

s = 5j
(s+12) = 2*(j+12)

Then solve:

5j+12 = 2j + 24 => 3j = 12 => j=4, s=5*4=20

Steve is 20, Janis is 4
In 12 years they will be 32 and 16
User Sorin Comanescu
by
8.0k points
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