SOLUTION: marquis scores on his first four tests 95,45, 86, and 100. What will he have to score on his next test to obtain an average of at least 85 for the term

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: marquis scores on his first four tests 95,45, 86, and 100. What will he have to score on his next test to obtain an average of at least 85 for the term      Log On


   

Question 253337: marquis scores on his first four tests 95,45, 86, and 100. What will he have to score on his next test to obtain an average of at least 85 for the term
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
they add up to 326
(326+x)/5=85
solve for x
x will be the least he needs
x=99
The 45 killed his chances.
but to get 83 he only needs 89
to get 80 he only needs 74
remember his average now is over 81.