After three tests, a student has a test mean of 78%. What does the student need on the fourth test (rounded to the nearest percent) to have a test mean of 80%?
After three tests, a student has a test mean of 78%. What does the student need on the fourth test (rounded to the nearest percent) to have a test mean of 80%?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section0.6: The Percent Proportion
Problem 25E
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After three tests, a student has a test mean of 78%. What does the student need on the fourth test (rounded to the nearest percent) to have a test mean of 80%?
Group of answer choices: Choose an answer and show work.
86%
119%
79%
None of these
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