SOLUTION: please help me work this out. 1: you score 73,85,81, and 7 on your last four tests. you have one more test. each test is worth 100 points. what must be made on the fifth test to h

Question 644713: please help me work this out.
1: you score 73,85,81, and 7 on your last four tests. you have one more test. each test is worth 100 points. what must be made on the fifth test to have an average of 80% in the class.
2: a parking garage charges $6 for the first hour and $5 for each additional hour or part of an hour. if you park your car from 1 to 5:30, what will be the parking cost.
thank you.
Found 2 solutions by lynnlo, Aaniya:
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
i am reading your scores right
73,85,81,7
Answer by Aaniya(63) (Show Source): You can put this solution on YOUR website!
(1)73,85,81,7,100 to have 80% grade
(2) $26.00
RELATED QUESTIONS
To enter a competition,students must score a total of at least 430 points on five... (answered by ikleyn)
How do I show my work for this problem? I know the answer, I just don't understand how to (answered by jim_thompson5910)
Would you mind to help with this question please. 1) Suppose you are taking a course... (answered by scott8148)
score of 88, 92, 85, and 87 on four tests. what score must you get on the fifth test to... (answered by Fombitz)
You are taking a course that has four tests. The first three tests are worth 100 points... (answered by FrankM)
You are taking a course that has four tests. The first three tests are worth 100 points... (answered by solver91311)
The test results for your last 4 tests have been 85%, 88%, 72% and 90%. What is your... (answered by jorel1380)
If the average score for Cody's last 5 tests was an83% if he wants to raise his average... (answered by stanbon)
In order to earn an A in a class, your test scores must average at least 92%. On the... (answered by stanbon,josmiceli,Edwin McCravy)