Math
posted by Sophia
In math class, a student has an average grade of 85% for five tests so far. What grade must that student earn on the next test to reach an average grade of 90% for all six tests?

Ms. Sue
90 * 6 = 540
85 * 5 = 425
540  425 = 115
It can't be done if the maximum grade for a test is 100.
Respond to this Question
Similar Questions

Math
Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final is 20% of the overall grade. Could a student that has a 75 homework average, 80 lab average, 40 test average, … 
math ( average)
a student wants to get an average of 80 on the 5 tests to earn an A grade.on the 4 test he gets 79, 88,64,78. how much should he score on the 5th test so that he gets this average of 80? 
Math
In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the four first tests is 88.5. What is the lowest average he could … 
Pre Algebra
In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could … 
programming
Professor Merlin has asked you to help him. He has 5 students who have taken four tests. He wants a program where he can enter the students name and their four test scores. After entering all 5 students then he wants a grade report … 
algebra
to pass a course with an A grade, a student ,must have an average of 90 or higher. A students grades on three tests are 93,92 and 83. What is the score the student must get on the nest test to get an A average? 
algebra 1
princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average. 
Math
Kami has an average of 64% in her class. School ends soon and she would like to raise her grade to a 74%.She has 2 tests left and tests counts as 80% of her grade, what would she have to get on the next to test to get her average up … 
Math
In your class, you have scores of 73,85,76, and 92 on the first four of five tests. To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a) Solve an inequality … 
Math
To pass a course with a C grade, a student must have an average of 70 or greater. A students grades on three tests are 63, 76, 67. Find what score the student must get on the next test to get a C average or better