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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asked Mar 15, 2018 142k views

1 Answer

Sorin Comanescu · Answer 1 · 2018-03-20T03:24:47+0000

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

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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