SOLUTION: you scored a 72, 70, 83, and a 92 in your math class. you have one more test before the end of the year. write an inequality that will determine what possible score you need to mak
Algebra.Com
Question 1025529: you scored a 72, 70, 83, and a 92 in your math class. you have one more test before the end of the year. write an inequality that will determine what possible score you need to make on the next test so that your final average is at least an 80?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
To average more than 80 on five tests, the sum of the scores must be greater than
(5*80)=400.
.
Let x be the score on the final test.
.
72+70+83+92+x>400
317+x>400
x>83
.
RELATED QUESTIONS
You scored 85, 92, and 88 on three tests. You have one more test to take, can you get an (answered by rfer)
You have one more math test.
Here are your present scores:
89 , 92 , 78 , 83 , 83 .
(answered by swincher4391)
You have one more math test.
Here are your present scores:
89 , 92 , 78 , 83 , 83 .
(answered by swincher4391)
Your grades in your math class on the last five tests are 83, 92, 78, 96, and 89 and you... (answered by Grinnell)
Your test scores in Environmental Science are 77% and 81%. You have one more test left.... (answered by robertb)
Mark wants to have a semester average of 85 in his math class. The three 6-week grades... (answered by checkley71)
Jake's average score on the first for math tests is 83. On his first test he scored a 72... (answered by Cromlix)
Your grade in a class is determined by the average of three test scores. You scored 74... (answered by Alan3354)
I am having trouble finding the answer to E and F in this problem. could you show me how... (answered by ewatrrr)