To earn the score he wants in a trivia game, Jet needs an average of 80% after five rounds. Each round is worth 50 points. The scores of his first four rounds are shown in the table.

Answer:
Must score a minimum of 16 points
Step-by-step explanation:
In order to get percentages of each round, divide the score by 50.
Add them all up and a random number for the fifth number, start low. I started with .30. You then divide it by 5. It was just under 80 so I had changed my number to .32 and got exactly 80%.