C and now I need 20 characters thank you
Answer:
8.57
Step-by-step explanation:
y=AC
7/15=11/y
y=23.57
x=y-15
x=8.57
Answer: its 42
Step-by-step explanation:
30 students could of been taking both courses and 60 with no course
Answer: 3/2
Explanation:
3x/2x-6 + 9/6-2x
= 3x/2x-6 + 9/-(2x+6)
= 3x/2x-6 + -9/2x-6
= 3x/2x-6 - 9/2x-6
= 3x - 9/2x-6
= 3(x-3)/2(x-3) (cancel out x-3)
= 3/2
