Question 15
An exam has 20 multiple-choice questions. Each correct answer earns 5 points, each wrong answer loses 2 points, and none are left blank. A student scores 65. How many answers were correct?
The following source mathematical images preserve the printed option/formula/figure variants; text and choices above or below provide clean typesetting.
The following source mathematical images preserve the printed option/formula/figure variants; text and choices above or below provide clean typesetting.