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April 21, 2014

April 21, 2014

Posted by **Delilah** on Tuesday, December 11, 2012 at 7:11pm.

6x + 29 = 5 (1 point)

–4

–18

204

–144

9.

Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point)

2.10b + 12.99 = 21.39; 4 bottles

2.10 + 12.99b = 21.39; 4 bottles

2.10c = 21.39 + 12.99; 6 bottles

21.39 – 2.10b = 12.99; 16 bottles

For #2, Is the answer -18? Yes, there is no typo.....

- 7th grade math Ms. Sue -
**Ms. Sue**, Tuesday, December 11, 2012 at 7:19pmNo.

6x + 29 = 5

6x = 5 - 29

6x = -24

x = -24/6

x = -4

OK. 9 looks right now. I think I was misreading it before.

Here's the answer.

2.10b + 12.99 = 21.39; 4 bottles

- 7th grade math Ms. Sue -
**Anonymous**, Tuesday, December 11, 2012 at 7:25pmThanks! They were all right!

- 7th grade math Ms. Sue -
**Ms. Sue**, Tuesday, December 11, 2012 at 7:28pmYou have to watch out for me. I've learned that no matter how I try, I'll make a mistake about 5% of the time.

:-)

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