Math Problem Statement
Based on data from 1997 through 2010, in Canada, women's earnings as a percentage of men's can be approximated by the linear equation y = 0.42x + 68.8 where x = the number of years since 1997 (x = 0 for 1997) and y = the percentage. Based on this equation, find the approximate percentage of women's earnings for the following years. When will the percentage reach 90%
Solution
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Math Problem Analysis
Mathematical Concepts
Linear equations
Graphing linear equations
Formulas
Linear equation formula y = mx + b
Theorems
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Suitable Grade Level
Grades 9-12
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