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find the frequency before finding the percent total -_- :)
71 percent
To find out the percent you need to cross multiply, example: 10/19. Times the correct answers by 100, then divide that number by the total amount of questions=52.63%
[(100x60) + (Tx40)]/100=Average, where T is you average on the other 40% of your grade. Example: your grade average is 90 before the test. You get a 100 on the big test. [(100x60) + 90x40)]/100 = [6000 + 3600]/100 = 96
C grade