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September 19, 2014

September 19, 2014

Posted by **lidia** on Monday, September 10, 2012 at 8:12pm.

My answer is 63 am i right if not please show me why and how.

- aig math (Ms.Sue) -
**Ms. Sue**, Monday, September 10, 2012 at 8:16pmYour answer is obviously wrong. She bought 3 collars. If she paid 63 for one collar -- then she would have paid 189 for three.

- aig math (Ms.Sue) -
**lidia**, Monday, September 10, 2012 at 8:28pmso is the answer 21?

- aig math (Ms.Sue) -
**Ms. Sue**, Monday, September 10, 2012 at 8:31pmLet's check:

(3 * 21) + (5 * 7) = 98

Nope -- you're getting closer.

- aig math (Ms.Sue) -
**lidia**, Monday, September 10, 2012 at 8:41pmis it 18.

- aig math (Ms.Sue) -
**Ms. Sue**, Monday, September 10, 2012 at 8:45pmLet's check.

(3 * 18) + (5 * 6) = 84

Right!!!

- aig math (Ms.Sue) -
**lidia**, Monday, September 10, 2012 at 8:50pmmy mother dosen't under how you get 18 can you please explain.

- aig math (Ms.Sue) -
**Ms. Sue**, Monday, September 10, 2012 at 8:53pmI don't know. I found the right answer by trial and error.

Lidia-- I'm not a math teacher -- so please don't include my name on your future posts.

- aig math (Ms.Sue) -
**Reiny**, Monday, September 10, 2012 at 9:09pmcost of bone --- x

cost of collar --- 3x

5 bones + 3 collars = 84

5x + 3(3x) = 84

14x = 84

x = 84/14 = 6

cost of bone = $6

cost of collar = 3(6) = $18

- aig math (Ms.Sue) -
**Ms. Sue**, Monday, September 10, 2012 at 9:19pmThanks, Reiny!

I hope Lidia sees your answer.

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