Jake and mike took a different number of test. Lake scored 85 point nys on each test. Mikes total score was 15 less thank Jake's total score. The following expression shows mikes total score: 85x - 15 in the expression, what does the variable x represent
There is an 85 right in front of the x, red flag that you should look around there. The wording of the question says he gets 85 points per test, a perfect definition for our expression if x is the number of tests.
