Answer:
1/2
Step-by-step explanation:
Simple probability is a ratio of the number of ways the thing we want to happen can to the total possible outcomes.
(For example, we flip a coin and want heads, but it can land on heads or tails. Our probability of getting heads is 1/2, one way to get heads over the 2 possible outcomes)
So for this problem, there's 20 possible things that CAN happen (3 + 7 + 10) and 10 ways we get what we want (a green marble).
Our probability of getting a green marble is
, which simplifies to 
Answer:7yd
Step-by-step explanation:
Answer:
38.47 m2
Step-by-step explanation:
Area = 3.5 x 3.5 x 3.14
Area = 12.25 x 3.14
Area = 38.465 --> 38.47m2
Hope that helps!
Answer:
D. 1,211
Step-by-step explanation:
857 + 354 = 1,211 runners