Answer:
not really sure what answer you want. but you have a 50/50 chance of picking a green or purple marble.
Step-by-step explanation:
Answer:
10/20 = 1/2
Step-by-step explanation:
There are 10 purple marbles and 20 marbles in total. The chances of picking a purple marble is 10/20. 10/20 simplifies to 1/2.
