Ok, so a car salesman had 9 cars. The MEAN cost is $3000. To find mean we take the prices and add them together. Then we divide them by the number integers. So, all you need to do is do the problem backwards. Good Luck!!!
When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?
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