What is the unit rate of 200 miles in 4 hours what is the unit rate of 270 miles in 6 hours what is the unit rate of 1440 miles in 30 hours

The unit rate of 200 miles in 4 hours is 50 miles for every 1 hour.

200/4 divided by 4/4 = 50/1

The unit rate of 270 miles in 6 hours is 45 miles for every 1 hour.

270/6 divided by 6/6 = 45/1

The unit rate of 1440 miles in 30 hours is 48 miles for every 1 hour.

1440/30 divided by 30/30 = 48/1

3/95

Total Number of jerseys:

10+6+4=20

Odds of first jersey being medium:

4/20

Odds of second jersey being medium

3/19

(4/20)*(3/19)=12/380=

6/190=3/95