ANSWER

EXPLANATION
The given equation is

Divide both sides by


Cancel out common factors on the left hand side,

For this solution to be a whole number, then

should be a factor of

.
The reason is that, factors of 6 will divide exactly in to 6 without a remainder, making the answer a whole number.
The whole numbers that are factors of 6 are,

Note that, the set of whole numbers are,
{

}
Answer:
27 inches
Step-by-step explanation:
you divide 2160 by 80 to get the number of inches
2160/80=27
The answer is D. 33
Hope this helps