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July 28, 2014

July 28, 2014

Posted by **carol** on Thursday, November 10, 2011 at 9:13pm.

- math -
**Reiny**, Thursday, November 10, 2011 at 9:49pmlet amount of John's money be 4x

let amount of Peters money be 7x

after transaction, John has 2x

Peter has 7x-60

7x-60 = 2(2x)

3x = 60

x = 20

John at first had $80 and Peter had $140

check:

John spent half his money , so he has $40 left

Peter spent $60, so he has $80 left

Does Peter have twice as much as John? YES!

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