Answer:
1/2, 1/4 & 3/4
Step-by-step explanation:
mean of 0 &1 is
mean of 0 and 1/2 is 
mean of 1/2 and 1 is 
So the three rational numbers are 1/2, 1/4 & 3/4
24 marbles in the first group
28 marbles in the second group
1 foot = 12 inches. If you multiply 12 by 12 and then add 5, you get 149. 149 is less than 162 so it will be able to fit!