on the first four tests of the term your average is 84%. You think you can score 96% on each of the remaining tests. How many consecutive test scores of 96% would need to bring your average up to 90% for the term? I am learning about rational equations if that helps.
Stacey Warren - Expert brainly.com
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well the way I did it was the average of 96 and 84 is 90 because (84+96)/2=90
So if you have 4 84's then you have to balance it out with 4 96's. You take 84*4+96*4 and that equals 720 then divide that by the total number of tests which is 8 and that equals 90.