nadia has taken 3 exams and her average score so far is 80.If she gets 100,a perfect score on the remaining 2 exams what will her new average be ?
5 answers
[(3 * 80) + 200] / 5 = ?
Right.
280
100
88.
[(3*80)+200]/5=88
[(3*80)+200]/5=88
2 answers