Question 1020780
81/60=1.35 hours by diesel
1.35 x 125=168.75 kilometers traveled.
168.75/225=.75 hours=45 minutes by high speed
81-32=49 minutes most time allowed according to advertisement.
You can also use the ratio of the trains speeds to measure the time saved:
125/225 x 81 minutes=45 minutes traveling time
81-45=36 minutes saved!!!!!!!