7. The average of Javon's four test scores must be at least 83 to earn a B in the class. Javon scored a 64 on his first test, a 92 on his second test, and a 75 on his third test. What scores
can Javon get on his third test to get at least a B in the class?
a) Write and Solve an inequality that models this situation. Define your variable AND show
your work.