12(20-17) - 3*6
12 (3) - 18
12*3 - 18
36 - 18
18
Answer:
A= 5/7b +8
Step-by-step explanation:
The basic idea is that you can do anything you want (except divide by
zero) to either side of the equation, so long as you do the same thing
to the other side, too.
The answer is 11.4% where 2500-11.4%=2215.
There are 5 students in both classes. Have a great day!
