SOLUTION: Web Search: a student average for five test is 82% how much he get in his sixth test so that his average his sixth test will be 85? answer

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Question 772484: Web Search: a student average for five test is 82% how much he get in his sixth test so that his average his sixth test will be 85? answer
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Average of 5 tests = 82%
Total of 5 tests = 5 * 82 = 410
Average of 6 tests to achieve 85%
Total of 6 tests = 6 * 85 = 510
510 - 410 = 100
Therefore he must score 100 for his 6th test.
Hope this helps.
:-)