Question 3
An and Bình play bowling. Each game score is a whole number.
(a) An scores 108 and 125 in his first two games. His average for games 3 and 4 is 122. What must he score in game 5 for his five-game average to be 120?
(b) Bình’s average for his first three games is 113. His scores in games 4 and 5 are equal. Can his five-game average be 120? Explain.
(a) An scores 108 and 125 in his first two games. His average for games 3 and 4 is 122. What must he score in game 5 for his five-game average to be 120?
(b) Bình’s average for his first three games is 113. His scores in games 4 and 5 are equal. Can his five-game average be 120? Explain.