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?
1 answer:
After the new test, she now has taken 8 tests.
Set it up just like when finding the average:
(87+79)/8
Solve for the new test average
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