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March 29, 2015

March 29, 2015

Posted by **Al** on Tuesday, April 24, 2012 at 12:04pm.

After A bought another 18 stickers and B lost 10 stickers, the ratio became 3:2. Find the number of stickers both of them had at first.

- math -
**Steve**, Tuesday, April 24, 2012 at 12:09pma/b = 3/4

(a+18)/(b-10) = 3/2

4a = 3b

2(a+18) = 3(b-10)

2a+36 = 4a - 30

2a = 66

a = 33

b = 44

check:

33/44 = 3/4

(33+18)/(44-10) = 51/34 = 3/2

- math -
**Al**, Tuesday, April 24, 2012 at 12:15pmThank you, Steve!

- math -
**Steve**, Tuesday, April 24, 2012 at 12:23pmaw, shucks <scuff><scuff>

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