colbyestep12 colbyestep12

27-01-2017
Mathematics

Answered

In 1991, an American, Ann Trason, set a world record by running 1000 km in 7 hours, 50 minutes, and 9 seconds. Which is the best estimate of her average speed? (HINT: Think rate)

A12 km per hr
B14 km per hr
C18 km per hr
D16 km per hr

Verified Answer :

Briona1 Briona1

27-01-2017

The answer is A. 12 km per hr

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