The average of your first three test grades is 78. what grade must you get on your fourth and final test to make your average 80?

Harry had grades of 70,80,85 and 80 on his quizzers. If all quizzers have the same wight, what grade must he get on his next quiz so that his average will be 80?

Rajeev needs a minimum of 360 marks in four tests in a Mathematics course to obtain an A grade. On his first three tests, he scored 88,96,79 marks. What should his score be in the fourth test so that he can make an A grade?

Rajeev needs a minimum of 360 marks in four tests in a Mathematics course to obtain an A grade. On his first three tests, he scored 88,96,79 marks. What should his score be in the fourth test so that he can make an A grade?

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?

The average of a set of four numbers is 78. If three of the numbers in the set are 71, 74, and 83, what is the fourth number?

Abhinav obtained 65 and 80 marks in first two unit test .Find the minimum marks he should get in the third test of have an average of at least 70 marks.

Abhinav obtained 65 and 80 marks in first two unit test .Find the minimum marks he should get in the third test of have an average of at least 70 marks.

Abhinav obtained 65 and 80 marks in first two unit test .Find the minimum marks he should get in the third test of have an average of at least 70 marks.

Abhinav obtained 65 and 80 marks in first two unit test .Find the minimum marks he should get in the third test of have an average of at least 70 marks.