Multiple choice

For a motorist, there are three ways of going from City A to City C. By a bridge, the distance is 20 miles and toll is \$0.75. A tunnel between the two cities is a distance of 10 miles and toll is \$1.00 for the vehicle and driver and $0.10 for each passenger. A two-lane highway without toll goes East for 30 miles to city B and then 20 miles in a North-West direction to City C.

The most economical way of going from City A to City B, in terms of toll and distance, is to use the

  1. tunnel

  2. bridge

  3. bridge or tunnel

  4. toll free highway

  5. bridge and highway

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A to B via tunnel: 10 miles, \$1.00. A to B via bridge: 20 miles, \$0.75. A to B via highway: 30 miles, $0 toll. Considering toll + distance, tunnel is most economical for A to B.