Asked by Francis
4.In Amy’s English class, 30% of the students play an instrument. She does not know how many in the whole school play an instrument, but there are 500 students in the school.
A.Solve the proportion 30/100=n/500 to estimate the total number of students in the school who play an instrument.
Answers
Answered by
Ms. Sue
30/100=n/500
Cross multiply.
100n = 15,000
Solve for n
n = 150
Cross multiply.
100n = 15,000
Solve for n
n = 150
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