Question

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

Answer 1

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.