The answer is C.
<span>C. A markup has no limit, but a markdown is limited to 100% or less. </span>
You're going to want to take the total, which is $353.00 and subtract the initial cost, which is $84.00, the number now should be $269. Using that total divide it by $68.00, there you should find your answer of about 4 hours. The precise answer is 3.99588235. But you would round that to 4 hours.
The expression simplifies to 6x^(28/5)
hope this helps :)
Answer : 118 or -40
Explanation I didn’t know which one you meant