Juan is taking a computer software class to improve his job skills. His employer will pay for the course if Juan’s average test grade in the class is 90% or higher. On the first three tests, Juan’s grades were 86%, 88%, and 95%.
What is the minimum grade Juan must earn on his fourth and final test so that his employer will pay for the class?
A . 90%
B . 91%
C . 92%
D . 93%
E . 94%
Answer: B