Franks quarter grades are 82.5, 94.7, and 87.9 what grade rounded to the nearest percent will frank need to recieve at least a an 89 % final course grade a.92% b.90% c.91% d.89% show work

If you add 82.5+94.7+87.9+92=357.1 and then you need to divide 357.1/4 and you get 89.275 (round up so it would come out as 89)

Frank would have to get a 92% on his final course grade in order to get above an 89%.