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Mathematics 18 Online
OpenStudy (anonymous):

Thirty percent of what number is 9? A 18 B 2.7 C 30 D 42

OpenStudy (anonymous):

\[0.30 \times x = 9\]

OpenStudy (anonymous):

Substitute each of your answers for x, and which ever one equals nine, that's your answer.

OpenStudy (anonymous):

so 30

OpenStudy (anonymous):

Correct. :)

OpenStudy (yolo_king):

Substitute x for 30 to test your answer :P

OpenStudy (anonymous):

yay

OpenStudy (yolo_king):

I mean 30 for x lol

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