Question

At Southside Middle School, 20% of the students play an instrument. There are 305 students. How many students play an instrument? Please explain how you got your answer!! :D

Answer 1

61 students play an instrument.

Explanation:

So, take 305, multiply it by 20. Which is 6100, now multiply that by .01

6100x.01=61

Answer 2

61 students play an instrument

Explanation:

You could set up the problem as a ratio.

20 x

--- = ------

100 305

100x = 6100

x = 61