On the last three physics exams a student scored 88, 89, and 87. What score must the student earn on the next exam to have an average of at least 90? The student must score at least %. (Simplify your answer. Type an integer or a decimal.)
On the last three physics exams a student scored 88, 89, and 87. What score must the student earn on the next exam to have an average of at least 90? The student must score at least %. (Simplify your answer. Type an integer or a decimal.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.4: The Percent Equation
Problem 21E
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