31. In a graduating high school class of 532, 15% of the students will receive As and 55% of the students will receive Bs. If 53 students receive Ds and no one failed, what approximate percentage
of the students received Cs?
a. 10%
b. 20%
C. 30%
d. 40%

How would I go step by step to figure it out?

step-by-step explanation:

subtract 7, so the answer is x < = 3, or c.

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3

a: inscribed angles

step-by-step explanation:

i reviewed this question with a peer and teacher, seems to be correct, me later

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153