Question

On Monday, Daniel and Emily decided to see how fast they could sprint 400 meters. They asked their friend Ben to time them with a stopwatch.
After 4.53 seconds, Ben agreed to time the runners. Daniel sprinted first and ran 400 meters in 64.18 seconds. When it was Emily's turn, she sped off and completed the run in 61.06 seconds.
How much faster was Emily than Daniel in seconds?

Answer 1

64.18 - 61.06 = 3.12
Emily was 3.12 seconds faster than Daniel.