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Concept explainers
To find: the number of years it takes for Mei and Janet to earn same salary
![Check Mark](/static/check-mark.png)
Answer to Problem 15P
Mei’s and Janet’s will be earning same salary in
Explanation of Solution
Given information: “Mei’s salary starts at $16000 per year with annual raise of $1500”. “Janet’s starting salary is $19300 with annual raise of $950”
Concept Involved:
Perimeter of rectangle means sum of all the sides of the rectangle
Assign variable for the unknown that we need to find.
Use the keywords in the statement to rewrite the statement to meaningful math equation.
Solve the equation by getting the variable in one side of the equation and undoing whatever is done to it by performing reverse operation.
Calculation: Assign variable for the unknown that we need to find
Let x be the number of years when Mei’s and Janet’s salary is same
Write an expression to represent the Mei’s salary after x years using the sentence “Mei’s salary starts at $16000 per year with annual raise of $1500”
Write an expression to represent the Janet’s salary after x years using the sentence “Janet’s starting salary is $19300 with annual raise of $950”
Replace the keywords to get an equation representing the sentence given “Janet and Mei get same salary”
In an attempt to get x terms in one side of the equation subtract
Combine like terms in both sides of the equation
In the process of getting x in one side of the equation subtract 16000 on both sides
Combine like terms on both sides
Divide 550 on both sides of the equation
Simplify fraction on both sides of the equation
Conclusion:
In 6 years both Mei and Janet will earn same salary
Chapter 3 Solutions
Algebra: Structure And Method, Book 1
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