3 A quiz is scored from 0 to 110 Antonio has 5 quiz scores 9


3) A quiz is scored from 0 to 110. Antonio has 5 quiz scores: 90,95,88,84,92. What does the average on her next 2 quizzes need to be in order to bring her average for all 7 quizzes up to 95?

Solution

antino\'s total on 5 quizzes is 90+95+88+84+92=449

in order to bring her average for all 7 quizzes up to 95

her total for all 7 quizzes should be 95*7=665

so at last 2 quizzes she must score in total=665-449=216

so her average is those quizzes should be 216/2=108 [answer]

 3) A quiz is scored from 0 to 110. Antonio has 5 quiz scores: 90,95,88,84,92. What does the average on her next 2 quizzes need to be in order to bring her aver

Get Help Now

Submit a Take Down Notice

Tutor
Tutor: Dr Jack
Most rated tutor on our site