Posted by **Rosalie** on Sunday, August 8, 2010 at 9:34pm.

(d+8/d-9)divided by 9d+72/c-7

Can anyone point me in the right direction to solving this problem? Thank you

- Algebra -
**bobpursley**, Sunday, August 8, 2010 at 9:47pm
Your nonuse of grouping symbols is annoying.

I think you meant this:

(d+8)/(d-9) divided by (9d+72)/(c-7)

well, multiplication is reciprocal of division, so your problem becomes

(d+8)/(d-9) multiplied by (c-7)/(9d-72)

or

(d+8)(9d-72)/((d-9)(c-7) or

9(d+8)(d-9)/((d-9)(c-7)) or

9(d+8)/(c-7)

- Algebra -
**Rosalie**, Sunday, August 8, 2010 at 9:49pm
Thank you for your help sir.

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