please help me!


Jake and Mike took a different number of tests. Jake scored 85 points in each test. Mike's total score was 15 less than Jake's total score. The expression below shows Mike's total score.


85x - 15


What does the factor x of the first term of the expression represent?


The total number of tests Mike took


The total number of tests Jake took


The sum of Jake and Mike's total score


The difference between Jake and Mike's total score