Question

You and your friend each drive 100.0 km. You travel at 30.0 km/h. Your friend travels at 45 km/h. How long will your friend be waiting for you at the end of the trip?.

Answer 1

See below

Step-by-step explanation:

100 km / 45 km/hr = 2.222 hr

100 km / 30 km/hr =3.3333 hr

Difference = 1.111 hr = 1 hr 6 2/3 min