Mrs Salim spent $88.40 on some files and notebooks. She spent $18.40 more on files than notebooks. She bought as many files as notebooks. 3 Each file costs $3.20 more than a notebook. How much does each file cost?

Mrs Salim spent $88.40 on some files and notebooks. She spent $18.40 more on files than notebooks. She bought as many files as notebooks. 3 Each file costs $3.20 more than a notebook. How much does each file cost?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter5: Systems Of Linear Equations

Section5.1: Solve Systems Of Equations By Graphing

Problem 67E: Leo is planning his spring flower garden. He wants to plant tulip and daffodil bulbs. He will plant...

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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Mrs Salim spent $88.40 on some files and notebooks. She spent $18.40
more on files than notebooks. She bought as many files as notebooks.
3
Each file costs $3.20 more than a notebook. How much does each file cost?

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