Jeff has taken 6 of 1 equally weighted math tests this semester, and he has an average score of exactly 82.0 point. How many points does he need to earn on the 7th test to bring his average score up to exactly 83 points?

Pete has an average score exactly x points on 4 equally weighted tests. How many points higher than x must Pete score on the 5th equally weighted test to raise his average score after the 5th test to x + 2 points?

Mela earned scores of 75, 70, 92, 95 and 97 points (a total of 429 points) on the first 5 tests in Economics II. Solving which of the following equations for s gives the score he needs to earn on the 6th test to average exactly 85 points for all 6 tests?

A collage math professor informs her students that rather than curving final grades, she will replace each student's lowest test score with the next ot lowest test score, and then re-average the rest grades. If Leeza has test scores of 86, 92, 81, 64, and 83, by how many points does her final test average change based on the professor's policy?

Kalino earned 85, 95, 93 and 80 points on the 4 tests, each worth 100 points, given so far this term. How many points must he earn on his test, also worth 100 points, to average 90 points for the 5 tests given this term?

Tony has an A average in his math class and there is one test left. In order to keep the A, he will have to maintain an average test score that is at least 90%. He has completed 5 of the 6 tests and his current average is 91%.Which fo the following scores is th elowest he can earn while still maintaining his A ?

A batsman has scored an average of 46 runs for a certain number of innings played in England. When he came back to India, he played another two test matches of two innings each and scored at an average of 55 runs. For the innings in England and in India taken together, he has improved his average by 2 runs over the matches played in England. The number of innings played in England was

A cricketer has a certain average of 10 innings. In the eleventh inning he scored 108 runs, thereby increasing his average by 6 runs. What is his new average ?

Brian and several of his work colleagues are on a kickball team together. The dot plot above shows the number of points his team scored during each of 14 games played so far this season. The league's record for highest average points scored per game during a season is 7.5. To break this record, a team's season average must be at least half a point higher. If Brian and his teammates are to set a new season record, how many points must they average during their final two games?

Pragya obtained an average of 24 marks in 15 tests . Zareen has been maintaining an average of 23 marks so far but has taken only 12 of the tests . If each test is out of 30 marks , at least how much does Zareen have to score in any one of the remaining 3 tests to still have a chance to match Pragya's performance ?