Concept explainers
i.
To write an expression for how much more she earned on Monday
i.
Answer to Problem 3CYP
She earns
Explanation of Solution
Given:On Mondays Kay earns
On Tuesday she earns
Concept Used:Polynomial subtraction
Calculation:
How much more she earns on Monday= Salary of Monday- Salary of Tuesday
Substituting the expressions,
Re-arranging the values,
Conclusion:She earns
ii.
How much more she earned on Monday, if she works 5 hours a day
ii.
Answer to Problem 3CYP
She earns 7 dollars more on Monday.
Explanation of Solution
Given:She works 5 hours every day(x).
She earns
Calculation:
Substituting the working hours (x) in the expression,
Conclusion:She earns 7 dollars more on Monday.
Chapter 14 Solutions
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