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

Question

andrew-mc [135]

3 years ago

13

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 88% final course grade?. . A.. 95%. . B.. 96%. . C.. 87%. . D.. 91%

Mathematics

1 answer:

Thepotemich [5.8K] · Answer 1 · 2022-01-24T07:09:53+03:00

The given final course grade, 88%, is the average of Frank's four quarter grades. The average is the sum of all grades divided among the four quarters. Let x be the average,
(82.5 + 94.7 + 87.9 + x) / 4 = 88
The value of x is equal to 86.9. Thus, the answer is letter C. 87%.