3. Grades in a class are weighed as follows: 30% homework, 30% tests, 20% quizzes, 20% participation. Suppose that a student has a 92 homework grade, 88 quiz grade, and 100 participation grade. What must their test average to have
an A in the course?
4. Using the information from above, suppose that the same student has a 87,95, and 72 as their test grades so far.
What must they get on their next test in order to have a 93 overall in the course?