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July 28, 2015

Homework Help: 7th grade math Ms. Sue please last questions

Posted by Delilah on Tuesday, December 11, 2012 at 6:53pm.

2.
6x + 29 = 5 (1 point)

4
18
204
144

7.
4(y 4) = 8 (1 point)

2
2
4
6

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, there is no -24.
Is #7 correct?
For #9, i don't know how to solve it.

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