SOLUTION: Your quiz grades are 78, 72, 87, and 90. What is the lowest score you can earn on the 5th quiz and still score at least an 83 by writing an inequality?

Question 901121: Your quiz grades are 78, 72, 87, and 90. What is the lowest score you can earn on the 5th quiz and still score at least an 83 by writing an inequality?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Your quiz grades are 78, 72, 87, and 90. What is the lowest score you can earn on the 5th quiz and still score at least an 83 by writing an inequality?
let x=lowest score you can earn on the 5th quiz
***
((78+72+ 87+90+x)/5)≥83)
(327+x)/5)≥83)}}}
327+x≥415
x≥88
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