SOLUTION: A student computed the average of her 7 test scores by adding the scores together and dividing this total by the number of tests. The average was 87. On her next test, she scored
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Question 809324: A student computed the average of her 7 test scores by adding the scores together and dividing this total by the number of tests. The average was 87. On her next test, she scored a 79. What is her new test average, and how do you figure it out? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! avg_of_seven = 87
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avg_of_eight = ( avg_of_seven*7 + 79 )/8
Answer:
avg_of_eight = (87*7 + 79 )/8 = 86
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