determine his weekly transportation cost

Question

The Area rapid transit system charges the following fees for riding buses and trains. Bus (single fare) 1.25 Train (single fare) 1.25 Monthly Pass ( bus and train) 40.00

Samuel averages 6 bus and 2 train trips per week. Write and solve an equation to determine his weekly transportation cost

Answer 1

Since bus and train fares are the same his average fare cost for one week: outward=1.25(3 bus+1 train)=5. The same for the inward trip, total 5+5=10.

Other alternatives are travelling out by a different mode of transport to returning. There could be 4 bus trips out (cost 5) and 2 train (cost 2.50) and 2 bus trips (cost 2.50) back, totalling 10.

Monthly pass=40, which is an average of 40/4=10 a week, because the pass presumably allows travel in both directions.