Every seventh-grade student at Martin Middle School takes one world language class.
One-tenth of the seventh-grade students take French. Eighteen seventh-grade students take French.

Which equation represents s, the total number of seventh-grade students at the middle school?
18= 0.1s
18=10/s
s/0.1=18
10s=18

Answers

18 students are 1/10 of the number of seventh graders  First choice.


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