Question

At south side middle school 20% of the students play an instrument . There are 305 students . How many students play an instrument?

Answer 1

Answer: 61

Step-by-step explanation:

Given : At south side middle school 20% of the students play an instrument .

We can rewrite 20% as 0.20.

here are 305 students .

Then by using the multiplication operation, we have

The number of students can play instrument is given by :-

$0.20\times305=61$

Hence, there are 61 students who can play instrument.

Answer 2

That's 20% of 305.
You could set up the problem as a ratio.
20                x
---        =    ------
100            305

100x =  6100
      x = 61