Answer:
45 percent
Step-by-step explanation:
20-11=9
9 divided by 20= 0.45
0.45 x 100= 45%
Looks to Be answer A have a great day!
Scale factor is 2
30/15 = 2
20/10 = 2
47 students per room, 45 weren’t in a room
Y = 180 - 51 -56 = 73
x = 180 - 73 - 72 = 35
x = 35 degrees
