Word problem: cost comparison
Not what you're looking for?
A parent is deciding which babysitter to use in the neighborhood. Babysitter A charges $20 per hour and a base rate of $60 per day. Babysitter B charges a base rate of $50 per day and $25 per hour. For how many hours of babysitting do the two babysitters charge the same amount?
Purchase this Solution
Solution Summary
A detailed, step-by-step solution of the number of hours of babysitting for which the two babysitters charge the same amount is presented.
Solution Preview
The basic steps in solving any word problem are as follows:
1. Define the variable.
2. Translate the English expressions into mathematical expressions.
3. Set up an equation in the variable.
4. Solve the equation for the variable.
5. Check the solution.
-----------------------------------------------
First, we define the variable: Let the variable "h" denote the number of hours worked.
-----------------------------------------
Next, we "translate" each of the English expressions (about total pay) into a mathematical expression.
Babysitter A ...
Education
- AB, Hood College
- PhD, The Catholic University of America
- PhD, The University of Maryland at College Park
Recent Feedback
- "Thanks for your assistance. "
- "Thank you. I understand now."
- "Super - Thank You"
- "Very clear. I appreciate your help. Thank you."
- "Great. thank you so much!"
Purchase this Solution
Free BrainMass Quizzes
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Probability Quiz
Some questions on probability
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts