In a high school, 7% of the students play the piano. This is 21 students. Choose the expressions that complete each step involve
d in setting up and solving the proportion that represents the situation.
Set up a proportion:
Cross multiply:
1 answer:
Hello,
<u>Set up a proportion</u> :
7 → 21
100 → ?
<u>Cross multiply</u> :
100 * 21 / 7 = 300 students
Bye :)
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