What grade you in and what unit lesson is this, I might be able to help you. I go to the same school.
Answer: 214 You added up all of those and devided the mean( all 4)
2/3 would be bigger
I hope that helps
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
