Answer:
Sydney is 13 and Devaughn is 39
Step-by-step explanation:
13x3=39
39+13=52
The expected values from the product of 2 marbles are 1,2,3,4,5,6,8,10,12,15,20
THe expected values are 1,2,3,4,5,6,8,10,12,15,20