Jose has scored 79 , 84 , and 85 on his previous three tests. What score does he need on his next test so that his average (mean) is 80 ?
Jose has scored 79 , 84 , and 85 on his previous three tests. What score does he need on his next test so that his average (mean) is 80 ?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter3: Multi-step Equations And Inequalities
Section: Chapter Questions
Problem 12PTTS
Related questions
Question
Jose has scored
,
, and
on his previous three tests. What score does he need on his next test so that his average (mean) is
?
79
84
85
80
|
|
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