Building a bridge will cost $80,000,000. Vehicle tolls will be $9 and traffic projections are for 6,000 vehicles per day. The operating and maintenance costs of the bridge will be directly proportional to the number of vehicles and hence the toll revenue. These costs will be 18% of the toll revenue. Find the payback period of the bridge in years. 3.6 year O 7.3 year O 5.8 year O

C is where it's cut off. nothing further. thank you

I have this question on my homework and I don't see a pattern. I have to explain how the trick works.  "Think of a number. Add 17. Double the result. Subtract 4. Double the result. Add 20. Divide by 4. Subtract 20. Your answer will be your original number."

A football coach is blocking off a rectangular exercise area. The exercise area will have a perimeter of 76 yards. The length of one side will be 8 yards. How long will the other side be?

A student needs to answer 20 out of 30 questions on a test. Find the number of ways the student can choose if the student must answer the first 8 questions on the test.

I need help with the questions on this page. Please help me. Thank you :)

could you specify the answer?