Respuesta :

Box A = 16
Box B = 4
Box C = 20

Number of students in Class B who liked Math and English = 4 + 4 = 8 students.

Answer:

Step-by-step explanation:

Box a = 4 + 10 + 2 = 16

Box b = 15 - (7+4) =  4

Box c = 10 + 4 + 6 = 20

Question 1

4 + 4 = 8

Question 2

21/50 = 0.42

Question 3

9/50 = 0.18 = 18%