Answer :
so 3/4 listen to rap
1/2 of these 3/4 are boys
so 1/2 of 3/4
'of' can be translated as 'multiply'
so
3/4 times 1/2=(3*1)/(2*4)=3/8
3/8 are boys and listen to rap
1/2 of these 3/4 are boys
so 1/2 of 3/4
'of' can be translated as 'multiply'
so
3/4 times 1/2=(3*1)/(2*4)=3/8
3/8 are boys and listen to rap