47:
He gained 12 yards 5 times
12 x 5 = 60 yards gained
He lost 6 yards 3 times
6 x 3 = 18 yards lost
60 (the yards he gained) - 18 (the yards he lost) = 42 yards
C. 42 yards
48:
A)
It represents the sample space for the experiment and then shows the possible outcomes of getting the same letter on both spinners.