Answer:

Step-by-step explanation:
Given


Required
The cost of units used
First, calculate the number of units used.



Next, multiply the units used by the cost per units,
Since the cost per unit is not given, we assume that it is x.
So, the total cost is:



Answer:
Pretty sure it would be the last one.
Not sure if you want me to do the work. All I can say is that it would be<em> very long.</em>
Answer:
V≈226.19cm³
Step-by-step explanation:
Answer:
80%
Step-by-step explanation:
12÷15= .8
.8=80%
..............
Answer:
7
Step-by-step explanation: