Question

24 students and Jamal's class are wearing tennis shoes there are 30 students in this class your mom says that 70% of this class is wearing tennis shoes is the Jamal correct

Answer 1

Im not sure if i am understanding the question correctly... 

If you are asking if Jama's mom is correct, then no. she is wrong. this is because 

if you take the proportion,  (is/of)=(%/100) you get (x/30)=(70/100). You then solve for x which in this case would be 21 students are wearing tennis shoes.

Hope this helps.