Question

Shelly and Terrence completed a different number of tasks in a game. Shelly earned 90 points on each task. Terrence's total points were 20 less than Shelly's total. The expression below shows Terrence's total points in the game:
90x − 20

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

Answer 1

X is the number of tasks

It says Shelly earned 90 points on each task. So the equation shows Shelly getting 90 points times the number of tasks (x) that she did.