parents and teachers ata local middle school organized three big PTA meetings last year. the percent of each class that was represented by a parent, a family member, or a legal guardian at each meeting and the total attendance is shown in the table. define the varibles and write a system of equations to represent the situation 6th grade 7th grade 8th grade total welcome meeting 90% 50% 30% 538 holidays meeting 60% 60% 40% 488 spring meeting 50% 80% 60% 563
parents and teachers ata local middle school organized three big PTA meetings last year. the percent of each class that was represented by a parent, a family member, or a legal guardian at each meeting and the total attendance is shown in the table. define the varibles and write a system of equations to represent the situation 6th grade 7th grade 8th grade total welcome meeting 90% 50% 30% 538 holidays meeting 60% 60% 40% 488 spring meeting 50% 80% 60% 563
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
Chapter9: Systems Of Linear Equations
Section9.3: Solving Problems With Two Variables
Problem 8OE
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parents and teachers ata local middle school organized three big PTA meetings last year. the percent of each class that was represented by a parent, a family member, or a legal guardian at each meeting and the total attendance is shown in the table.
define the varibles and write a system of equations to represent the situation
| 6th grade | 7th grade | 8th grade | total | |
| welcome meeting | 90% | 50% | 30% | 538 |
| holidays meeting | 60% | 60% | 40% | 488 |
| spring meeting | 50% | 80% | 60% | 563 |
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