The arithmetic mean of six grades is 87. If the lowest grade is dropped, the mean is 89. What is the lowest grade?

Paresh Apr 6, 2020

#1**+4 **

If the mean is 87, that means the sum of the grades is 6*87= 522. If the lowest grade is dropped that leaves 5 grades with an averagve of 89. SO the sum of those 5 is 5*89= 445. To find the grade subtracted, you find the difference of theses sums which is 522-445= **77 **which is your answer.

Hope it helps!

HELPMEEEEEEEEEEEEE Apr 6, 2020

#2

#5**0 **

No I didn't mean that, I just noticed a bunch of questions from the same user that's all.

HELPMEEEEEEEEEEEEE
Apr 6, 2020