Asked by Amy~

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?
Answered by Ms. Sue
Yes. That's correct.

Answered by Amy~
Would you know how to get the answer 600 because I solved it differently and did not get 600
Answered by Ms. Sue
Here's what I did.

154 - 88 = 66

0.11x = 66
x = 600

Answered by Amy~
I thought I had cross multiply.
88/154 = .11/x
Answered by Ms. Sue
Your fractions for the proportion are not equivalent.

Do you understand what I did?

Answered by Amy~
yes
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