# math

posted by .

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average between 70% and 80% inclusive if the instructor does not round off grades?
What is the range of the final exam scores?

• math -

1/3 of 48=16 points

He wants a 80 or 70

He needs 64 to 54 more points

so he needs to get on his final exam

3/2*64 to 3/2*70

• math -

Probability

## Similar Questions

1. ### working with data

josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% …

a student scores 76,82,83 on the first three test, she has a 92 homework averge. if the final exam is 50% of grade and homework is 10% and the test average (nit including the final) is 40% then what grade should she get on the final …
3. ### Algebra

Before the final exam, a student has test scores of 72, 80, 65, 78, and 60. If the final exam counts as one-third of the final grade, what score must the student receive in order to have a final average of 76 percent?
4. ### visual basic programming

Write a Visual Basic program that will calculate the assessment marks of a student taking the Computer Programming subject in College. The program must be able to determine the total result and finally display the grade of that student. …
5. ### math

A studentâ€™s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 …
6. ### Math

A student needed to get a final grade of 90 to get a grade of A for the semester. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A?
7. ### Math

A student needed to get a final grade of 90 to get a grade of A for the semester. He scored 83, 85, 92, 86, and 87. If the last two scores would be counted as one score. What is the least grade the student would need to get to get …
8. ### Mathematics

To earn an A in a course, a student must have a final grade of at least 0.9. On the first our examinations, a student scores 0.87, 0.89, 0.91, and 0.85. If the scores in the final examination counts as two examinations, what must this …
9. ### algebra

A student's grade in a course is the average of 4 test grades and a final exam that is worth three times as much as each test. Suppose a student has test grades of 90, 88, 81, and 94. Write an equation to model this situation where …
10. ### math

Each test grade in Sara's science class counts for 1/6 of the final grade. The final exam counts for 1/2. Sara's test scores are 72, 84, and 90. Her final exam score is 90. What is Sara's final grade for the class?

More Similar Questions