Answer: 7.2 kilometers per hour
Explanation:
Given:
Distance: 6.36km
Time: 53 minutes
Note: To find her speed, you need to divide the distance by the time.
Step 1: Convert it to kilometers per hour.
6.36 kilometers 60 minutes
= ----------------------- x ---------------------------
53 minutes 1 hour
381. 6
= ------------
53
= 7.2 kilometers per hour
Other way to find answer:
Step 1: Determine how many kilometers per minute
6.36 ÷ 53 = 0.12 kilometers per minute
Step 2: Multiply by 60 to find how many hours per hour (Note: 1 hour = 60 minutes)
0.12 x 60 = 7.2 kilometers per hour