Question

Kevin was playing a trivia game. For each correct answer he scored 1 1 / 2 points. For each incorrect answer he scored - 1 / 2 point. What was his final score if he got 8 correct and 3 incorrect?

Answer 1

42.5

Explanation:

Point for correct score =
`(11)/(2)` = 5.5

Point for incorrect score =
`(1)/(2)` = 0.5

Unknown:

Final score = ?

Solution:

Number of correct score = 8

Points gained = 8 x 5.5 = 44

Number of incorrect score = 3

Points lost = 3 x 0.5 = 1.5

His final score = 44 - 1.5 = 42.5