Answer: c=19 and n=4
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The answer is C: Lincoln uses 25 cents worth of supplies per cup.
Answer:

Step-by-step explanation:
we know that
The volume of a cube is equal to

where
s is the side length of the cube
we have

substitute in the formula


Remember the power rule
----> multiply the exponents
so

-13x-12. remove the parenthesis them add the like terms.
1/3=2/6 so
6=36/6 and you add 2/6 and 36/6 to get 38/6 or 19/3
Or 38 sixths