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September 16, 2014

September 16, 2014

Posted by **Bailey Davis** on Friday, December 9, 2011 at 7:53pm.

What is the equations "Jack's bowling score is 20 less than 3 times Jill's score. Thw sum of their scores is 220. Find the score of each?"

- Algebra 1 -
**Steve**, Saturday, December 10, 2011 at 5:07ama + b = 75

a = 5b+9

or,

a + b = 75

a - 5b = 9

so,

6b = 66

b=11 a=64

___________________

jack = 3*jill - 20

jack + jill = 220

or,

jack - 3jill = -20

jack + jill = 220

so,

4jill = 240

jill = 60 jack = 160

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