Posted by Amy~ on Thursday, September 16, 2010 at 3:57pm.
If Sandy usually earns $88 plus 11% sales each week. What if she earns $154 one week. What is the % sales she earned that week when she earned $154?
Would the answer be 600?

Math  Ms. Sue, Thursday, September 16, 2010 at 4:30pm
Yes. That's correct.

Math  Amy~, Thursday, September 16, 2010 at 4:33pm
Would you know how to get the answer 600 because I solved it differently and did not get 600

Math  Ms. Sue, Thursday, September 16, 2010 at 4:35pm
Here's what I did.
154  88 = 66
0.11x = 66
x = 600

Math  Amy~, Thursday, September 16, 2010 at 4:38pm
I thought I had cross multiply.
88/154 = .11/x

Math  Ms. Sue, Thursday, September 16, 2010 at 4:41pm
Your fractions for the proportion are not equivalent.
Do you understand what I did?

Math  Amy~, Thursday, September 16, 2010 at 4:55pm
yes
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