Question

2/5 of the students in your class are in band. Of these 1/4 play the saxophone. What fraction of your class plays the saxophone?2

Answer 1

2/5 are in band...of those, 1/4 play saxophone....so 1/4 of 2/5 play saxophone....." of " means multiply

1/4 * 2/5 = 2/20 which reduces to 1/10 <== 1/10 play saxophone

Answer 2

1/10=10%

Explanation:

In order to calculate this you just have to multiply the fraction of kids of your class that are in the ban by the number of kids that play the saxophone from those kids that are in the band:

`(2)/(5) *(1)/(4)\\(2*1)/(4*5)\\(2)/(20)=(1)/(10)  \\(1)/(10)`

So we know that 1/10 or 1 out of 10 kids in your class play saxophone in the band, or 10%of the class plays saxophone in the band.