A. 30 sixth graders
b. 12 sixth graders
c. If the school has 40 students and the total of students is 70, the number of sixth graders is x
d. 36 students
Answer:
60
Step-by-step explanation:
find the area of the missing rectangle:
18-12=6
4-2=2
6 * 2= 12
find the area of the rectangle:
(18*4)-12=60
The answer issssssssssssss 72.42