A student wants to earn a C for a class. To get this grade, the average of his six test scores must be 70.70. He has the following grades on five tests: 60,78,65,68,7260,78,65,68,72 What grade must the student get on the next test so that the average of his scores is 70?70?

A student wants to earn a C for a class. To get this grade, the average of his six test scores must be 70.70. He has the following grades on five tests: 60,78,65,68,7260,78,65,68,72 What grade must the student get on the next test so that the average of his scores is 70?70?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.5: Counting Principles

Problem 53SE: Susan bought 20 plants to arrange along the border of her garden. How many distinct arrangements can...

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Question

A student wants to earn a C for a class. To get this grade, the average of his six test scores must be 70.70.

He has the following grades on five tests:

60,78,65,68,7260,78,65,68,72

What grade must the student get on the next test so that the average of his scores is 70?70?

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