Respuesta :
Answer:
it should take her 45 minutes to run 9 laps
Step-by-step explanation:
40/8 = 5
9*5 = 45
The answer is that it takes Mary 45 minutes to run 9 laps.
Divide 40 minutes by 8 laps (40/8), which equals 5 minutes per 1 lap.
Now, multiply 5 minutes by 9 laps to get 45 minutes total.
Divide 40 minutes by 8 laps (40/8), which equals 5 minutes per 1 lap.
Now, multiply 5 minutes by 9 laps to get 45 minutes total.