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? 
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