20 total marbles....7 are green
probability on first draw is 7/20...and since the marble was not replaced, the probability on the second draw is 6/19. And since they cant happen at the same time, we multiply
7/20 * 6/19 = 42/380 which reduces to 21/190
Answer: 
Step-by-step explanation:
Given
Elisa run a total of
miles on Saturday and Sunday.
If she runs
miles on Saturday
Then, distance traveled on Sunday is given by
Answer:
d = 19/5 or, 4.75 in decimal form
Step-by-step explanation: