Molly is flying from New Orleans to Salt Lake City, a distance of

1,434 miles. Her one-way coach fare is $168. Compute the cost per
mile of her flight.
a. $.10
b. $.12
c. $.14
d. $.16

To compute the cost per mile, divide the total fare by the distance travelled:

Cost per mile = $168 รท 1,434 miles = $0.117 or approximately $.12

Therefore, the correct answer is b. $.12.