Question

A student earns scores of 80, 87, and 82 on the first three of four tests. If the student wants to achieve a quiz average of 85, what score must she achieve on the last quiz?

Answer 1

Answer:

91

Step-by-step explanation:

85= $\frac{80+87+82+x}{4}$ then multiply the 4 over and subtract 80, 87, and 82 to find x which gives you 91