Question

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Decide which sprinter is running faster per second:
Sprinter A: 1.4 feet in 3 seconds
Sprinter B: 2.8 feet in 5 seconds

Answer 1

Answer: The answer is Sprinter B.

Explanation:

First I did 2.8 / 5 = .56 secs.

for the A

B I did 1.4 / 3 = .47 secs

So, B is the faster sprinter.

Answer 2

Sprinter B is going faster.

Explanation:

Sprinter A is moving at a rate of 1.4 feet every 3 seconds, or about 0.47 feet every second.

Sprinter B is moving at a rate of 2.8 feet every 5 seconds, or 0.56 feet every second.

Therefore, Sprinter B is moving at a quicker pace.