Question
Asked Sep 11, 2019

A student in an algebra course has test scores of 74, 82, 73, and 85. What score on the next test will raise the student's average to 80?

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Expert Answer

Step 1

Given:

A student has test scores of 74,  82, 73 and 85.

Let x be the score in the next test to get an average of 80.

Step 2

Compute the score x as...

74+82
73 85 + x
08
5
314 X80
5
314 x 400
x= 86
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74+82 73 85 + x 08 5 314 X80 5 314 x 400 x= 86

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Tagged in

Math

Algebra