Question

On a survey, 3 out of every 8 band members prefer listening to jazz music.



Based on the survey, how many out of 240 band members would prefer listening to jazz music?

Answer 1

No of groups that can be formed with 8 group members in it = 240/8 = 30

Now, there are 3 members who like jazz also there are 30 groups. So, 30x3=90

No of members who like jazz is 90.

Answer 2

90

Since the ratio is 3:8, the fraction would look something like the following.:

3 ??

---- =--------

8 240

We know that there are 240 band members in this scenario. What do you multiply 8 by to get 240? 30.

3*30 90

-------- = ---------

8*30 240