148k views
3 votes
A student scores 73 out of 100 on a test. If the maximum score on the next test is also 100 points, what score does the student need to maintain at least an average of 78?

2 Answers

5 votes
The student will need at least an 83 out of 100 to maintain an average of 78.
User Acesmndr
by
8.6k points
2 votes
(73 +x)/2 = 78Solve for x
73+x/2=7873x+2=78Ă—273+x=156x=83
User Brett Porter
by
8.9k points