Question

(fan&Medal help please)

Answer 1

Frank’s quarter grades are 82.5, 94.7, and 87.9.

What grade, rounded to the nearest percent, will Frank have to earn in the last quarter to receive at least a 90% final course grade?

A.93%

B.94%

C.92%

D.95%

Answer 2

82.5 +94.7 + 87.9 + x = 90 * 4

Answer 3

Actually,
82.5 +94.7 + 87.9 + x => 90 * 4

There.

Answer 4

for an average of 90% in every quarter ..total in 4 quarters should be 90x4= 360
now the actual grades in three quarters are 82.5+94.7+87.9 = 265.1
hope you can do now ? find the difference to get your answer

Answer 5

thanks @solomonzelmon & @digitalmonk

Answer 6

YW!