The answer of the equation is 18.
Answer:

Step-by-step explanation:
remaining cups = total cups - used caps
let remaining cups be = x
total cups = y = 8
used cups = z= 
Hence x = y-z
x = 8 - 
=
-
=
=
= 
x= 
Remaining cups = 
Answer:
A=52
B=48
C=45
D=58
Step-by-step explanation:
To find the variables just do 60 minus the number they give. For example, to find A, you do 60-8.
Hope this helps :)
Answer:
A
Step-by-step explanation:
<h2>:)</h2>
Divide 40 by 8 minutes to find the quantity per minute for one machine:
40 / 8 = 5 per minute.
One machine does 5 envelopes per minute.
Now divide 120 by 5 to find the number of machines needed:
120 / 5 = 24
24 machines would be needed.