Question

Charlie runs laps around a track. The table shows how long it takes him to run different numbers of laps. How long would it take Charlie to run 7 laps? Numbers 2 4 6 8 10. Time 18 36 54 72 90

Answer 1

63

Explanation:

find one lap

2/2=1

18/2=9

1 lap = 9

1·7=7

9·7=63

Answer 2

42

Explanation: