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September 21, 2014

September 21, 2014

Posted by **Mona** on Thursday, January 31, 2013 at 6:46pm.

- Geometry-8th gr -
**Reiny**, Thursday, January 31, 2013 at 7:13pmfrom 3a + 2b , b = 3a/2

then in

4b = 9c

4(3a/2) = 9c

6a = 9c

a/c = 9/6 = 3/2

a:c = 3:2

or:

double the first: 6a = 4b

but 4b = 9c

so 6a = 9c

a/c = 9/6 = 3/2

- Geometry-8th gr -
**Mona**, Thursday, January 31, 2013 at 7:22pmThanks.

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