Answer:
circumference = 12.56 cm
Step-by-step explanation:
circumference=2 x radius x Pi
circumference = 2 x 2 x 3.14
circumference = 12.56
E.V. = P(A) x V (A) + P(B) x V(B)
.12 x $7 + .48 x $3 = 2.28
Yes, on average you'll earn $.28 per game.
Hope this helps!!
All work is shown in picture below.
I believe it would be 15. 10+20+15=45/3=15