If the average of five numbers is 40, and three of the numbers are 30, 40, and 50, what are the remaining two numbers?
A- (45, 55)
B- (50, 60)
C- (35, 45)
D- (40, 50)
C- (35, 45)
30 + 40 + 50 + x + y = 200 =>
x + y = 80 => x = 35 and y = 45