SOLUTION: a student computed the average of her 7 test scores by adding the scores together and dividing the total by the number of tests. the average was 87. on her next test she scored a
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Question 782040: a student computed the average of her 7 test scores by adding the scores together and dividing the total by the number of tests. the average was 87. on her next test she scored a 79. what is her new test average?
a) 83
b) 84
c)85
d) 86 Answer by Wendy__Woo(1) (Show Source):
You can put this solution on YOUR website! Answer: d) 86
First calculate the total marks achieved on the first seven tests by doing: 7*87 = 609
The add the score of the eighth test to get the total marks of the eight tests: 609+79 = 688
Finally divide this total by the number of tests taken to get your final answer: 688/8 = 86
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