<span>C side EF=18 cm; side GH = 30 ; height = 6 cm </span>
Q = 16
View the attached image for work!
Remember that

Thus, we can solve for x.
x + 22 = 90 - (2x - 7)
x + 22 = 97 - 2x
3x + 22 = 97
3x = 75
x = 25
Answer:
1/20
there are 20 students altogether
Step-by-step explanation:
um I'm not sure