Answer:

Step-by-step explanation:
let the number be n , then
4 - 4n = 2n ( add 4n to both sides )
4 = 6n ( divide both sides by 6 )
= n
The number is 
100 x 0.4 = 40. So 40 students listen to hip hop
Answer:
I think it is c if not try to serch the answer up
Answer:
6
Step-by-step explanation:
10x6=60-2=58
B is the answer since dimes are worth 10 cents