Boulder, Cobble, Pebble, Sand, Silt, Clay
Answer:
12
Step-by-step explanation:
24/x = x/6
x^2 =24*6 = 144
x=12
Your probability is a 30% chance of picking up a red marble then when getting a yellow one you have a 33.3% and so on of 3s chance of picking a yellow one
very low in my opinion
:D