SOLUTION: jacks bowling score was 20 less than twice jills score. the sum of their scores was 205. find the two scores.

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Question 360851: jacks bowling score was 20 less than twice jills score. the sum of their scores was 205. find the two scores.
Answer by Jstrasner(112) About Me  (Show Source):
You can put this solution on YOUR website!
Hey,
So for this one, we need to use variables:
(Jack) = 2(Jill)-20
(jack) + (Jill) = 205
Then we substitute: 2(Jill) -20 for (Jack) in the second equation:
2(Jill) - 20 + (Jill) = 205
3(Jill) = 225
(Jill) = 75
So (Jack) = 2(75) - 20 => 150 - 20 = 130
Jill= 75
Jack= 130
I hope this helps!