Plug in 4 for x and solve equation like so. c=2
Answer:
Step-by-step explanation:
C * D = {(x,y): x is an element of C and y is an element of D.}
C * D = { (1,4), (1,5), (1,6), (2,4), (2,5), (2,6) }
1/20 were striped if you want that as a decimal it would be 0.05 :)