Question

15. Jelani is in a walking race at his school. In the first 20 seconds, he walks 60 meters. In the next 30 seconds, he walks 60 meters. In the next 10 seconds, he walks 35 meters. In the last 40 seconds, he walks 80 meters.

a. Describe how Jelani's walking rate changes during the race. I need help on number a.

Answer 1

Time 1: 60÷20=3 meters per second. Time 2: 60÷30=2 meters per second Time 3: 35÷20=1.75 meters per second Time 4: 80÷40= 2 meters per second.