Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! Averages: Finding an Average Grade You Need to Make to Bring Your Grade up to a Desired Amount. Suppose you have taken 4 quizzes and have an average of 82%. What must your average score be on the next 6 quizzes to bring you average to 90%?