Answer:
5 hours
Step-by-step explanation:
We can write a ratio
20 laps 100 laps
-------------- = --------------
1 hour x hours
Using cross products
20x = 100
Divide by 20
20x/20 = 100/20
x = 5 hours
3.2 + 3.2 = 6.4
6.4 x 52 = 332. 8
Hope it helps!
Answer:
B. is the answer
hope this helps
have a good day
Step-by-step explanation: