A student scored 66 points on his Psychology 101 midterm. If the average of his midterm and final must be between 77 and 90 inclusive for a B, then for what range of scores on the final exam would a student get a B? Both tests have a maximum of 100 points. Hint: Write a compound inequality with his average between 77 and 90 inclusive. For a B grade, the student's final exam score must be in the range. (Type a whole number. Type your answer in interval notation.)
A student scored 66 points on his Psychology 101 midterm. If the average of his midterm and final must be between 77 and 90 inclusive for a B, then for what range of scores on the final exam would a student get a B? Both tests have a maximum of 100 points. Hint: Write a compound inequality with his average between 77 and 90 inclusive. For a B grade, the student's final exam score must be in the range. (Type a whole number. Type your answer in interval notation.)
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.3: Solving Problems Involving Inequalities
Problem 7WE
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