Question

Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster (in meters/second) is Amy’s average speed for the entire trip?

Answer 1

Answer:

the requires answer is 2 metres per second. rest assured is there in the picture

Answer 2

For Amy :-

$⇒ \frac{14.4}{40}$

$⇒\frac{0.06 \: km}{min}$

$⇒ \frac{360 \: m}{60} ⇒\frac{6 \: m}{sec}$

For Bill :-

⇒ 14.4/60

⇒ 0.24 km/min

⇒ 240 m/60sec

⇒ 4 m/sec

∴ Final answer: Amy goes 2m/sec faster than Bill.