The sum of Jason and Mandy's age is 35. Ten years ago Jason was double Mandy's age. How old are they now?

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Answer 1 · 2018-03-02T06:26:50

Jason: 20
Mandy: 15

Let the age of Jason be #x#.
Then the age of Mandy is #35-x#.

Given Jason was double of Mandy's age ten years ago.

#x-10=2(35-x-10)#

#x-10=50-2x#

#3x=60#

#x=20#

Age of Mandy = 35-20

=15