34.5k views
2 votes
A student must have an average of at least 80 points on five tests to receive a B in a course. The student's grades on the first four test were 77, 85, 85, and 77. What scores on the last test will enable this student to receive a B or better in the course?

answer impute is (score) or better.

User DWoldrich
by
7.8k points

2 Answers

2 votes

Answer: A

Explanation:

User FGM
by
8.8k points
3 votes
Answer: 78
Solution:
Average of 80 points on 5 subjects

= 80*5=400(num. of points to get a B)

Students grades: 77+85+85+77+ x =400
=322x = 400
x =400-322
x = 78
User Jangosteve
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories