Answer:
They completed 13, 3 credit classes
Step-by-step explanation:
1. Make 2 formulas. In this case: x+y=18
and 3x+4y=59
2. Then multiply x+y=18 by 3 and subtract the two equations.
Find y which is 5 and input into the equations. Then find your answer.
I think this is how you do it
Answer;dj ghost 1 hunnit
Step-by-step explanation:a hunnit
You do 48 divide by 6 to determine x which is X = 8
A copy machine makes 36 copies in a minute (1).
Multiply 36 copies by 3.75 (3 min and 45 sec) to find how many copies it can make within that time.
(36)(3.75) = 135
The copy machine can make 135 copies in 3 minutes and 45 seconds.