Simplifying Expressions

**oriolesmagic** · August 23rd 2009, 07:51 AM

Please help me with this Algebra I problem. I am supposed to come up with an answer of r/g. But I keep getting 3 r/g. I am trying to figure out what the formula is to come to this answer:

36 x 2rh
___________
3 x (9hg)

Thanks!

**CaptainBlack** · August 23rd 2009, 07:55 AM

Originally Posted by oriolesmagic

Please help me with this Algebra I problem. I am supposed to come up with an answer of r/g. But I keep getting 3 r/g. I am trying to figure out what the formula is to come to this answer:

36 x 2rh
___________
3 x (9hg)

Thanks!

The expression you give won't give either of your answers:

$\frac{36\times 2\times rh}{3 \times 9\times hg}=\frac{4\times9\times 2\times rh}{3\times 9\times hg}=\frac{8r}{3g}$

CB

**oriolesmagic** · August 23rd 2009, 08:01 AM

Originally Posted by CaptainBlack

The expression you give won't give either of your answers:

$\frac{36\times 2\times rh}{3 \times 9\times hg}=\frac{4\times9\times 2\times rh}{3\times 9\times hg}=\frac{4r}{3g}$

CB

I'm trying to figure out you're answer but I'm not sure how you got 4r when the two nines erase each other and you're left with 4x2.

**mathaddict** · August 23rd 2009, 08:32 AM

Originally Posted by oriolesmagic

I'm trying to figure out you're answer but I'm not sure how you got 4r when the two nines erase each other and you're left with 4x2.

yea , i think it should be 8r/3g

**CaptainBlack** · August 23rd 2009, 11:09 AM

Originally Posted by oriolesmagic

I'm trying to figure out you're answer but I'm not sure how you got 4r when the two nines erase each other and you're left with 4x2.

Typo, should be 8

CB

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