Answer:
Explanation:
Given that the price of an The price of an airline ticket from Denver to Washington, D.C. costs $600. A bus ticket costs $150. Traveling by plane takes 6 hours compared with 51 hours by bus.
Difference in time

Difference in fares

If other things remain the same the time lost is 45 hours and money diference 450 dollars
If each hour is more than
dollars, he would gain by using air travel.