SOLUTION: After taking 5 quizzes your average is 72 out of 100. What must your average score be on the next 5 quizzes to increase your average to 79. Write an equation and solve.\ Please ex

Question 981895: After taking 5 quizzes your average is 72 out of 100. What must your average score be on the next 5 quizzes to increase your average to 79. Write an equation and solve.\
Please explain how to do this
Thank you.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
First five quizzes,

So,

So with five more quizzes, the average becomes,

Dividing by 5,

So you have to average an 86 for the next five quizzes.

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