Question

At what time a person can travel 800 meters at 36 km per hour

Answer 1

.02 hours

or

1.2 minutes

Explanation:

800 meters is .8 kilometers (because there are 1000 meters in a kilometer).

Now just do dimensional analysis.

.8 km 1 hour

-------- x -------- = .02 hours

. 1 36 km

To find minutes, multiply .02 by 60.

(.02)(60)=1.2 minutes