Answer: The answer should be C if you were to add each point.
Answer:
25 hrs
Step-by-step explanation:
#First, we calculate the average earnings per hour by subtracting the running costs from receipts:

Let x be the number of hours it takes to fully recover the investment costs. We divide the investment cost by net receipts to solve for x;

Hence, it takes 25 hrs to repay the investment cost.
Answer:
ok
Step-by-step explanation:
You do 9=5y-6. And then solve for y. It’s is 3.
It says that the value of a box above two boxes is found by adding the expressions in the two boxes. I filled in the boxes. The top box is 13x + 30, or option B.