Purchase Solution

Equation and word problem

Not what you're looking for?

Ask Custom Question

A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t-500)+53.95, where it is assumed that t is greater than or equal to 500 minutes. What times will keep costs between $100.70 and $134.45?

Purchase this Solution
Solution Summary

This provides an example of using an equation to solve a word problem.

Solution Preview

We have to set your equation equal to each of the costs, and solve for t in both cases. Those t values will be ...

Purchase this Solution
Free BrainMass Quizzes
Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

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

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

View More Free Quizzes
Related BrainMass Solutions

  • Create a real world word problem from an augmented matrix.

    A real world word problem is created from an augmented matrix and an error is corrected in the solution to an equation. The solution is detailed and well presented.

  • Solve the Equation and Writing a Word Problem as an Equation

    Hope this helps Thanks again Yinon An equation and a word problem that needs to be written as an equation are solved. The solution is detailed and well presented.

  • Setting up an equation when given a word problem.

    36669 Setting up an equation when given a word problem. A certain number is doubled and increased by 9. The result is 23. What is the number? When given a word problem like this one, you will need to set up an equation to find the answer.

  • Solving Equations and Word Problems

    An equation and word problem are solved. The solution is detailed and well presented.

  • Differential equations

    This is a set of differential equation problems, including finding a linear differential equation with a given solution, finding an explicit form of a general solution, solving word problems, method of undetermined coefficients, initial value problem,

  • Linear Equation Application Word Problem

    42166 Linear Equation Application Word Problem 14. Solve using a linear equation with a work check at the end :A plumber charged a customer $117, listing $47 for materials and the rest for labor.

  • Radical Expressions and Parabola Word Problem

    19390 Radical Expressions and Parabola Word Problem Simplify Solve for x. Word Problem: It is known that the axis of symmetry of a parabola is x = 1 and the lead coefficient is 1. It is also know that the point (3,4) is on the parabola.

  • Word problem - rabbits

    This provides an example of solving an equation with fractions in a word problem.

  • Writing Equations from Word Problems

    The equation will be S = 1600 + 100N graph is in attached file. A word problem is expresed as an equation and graphed.

  • Roots of a Quadratic Equation : Word Problem

    14094 Roots of a Quadratic Equation : Word Problem Assume that the sum and product of two roots of a quadratic equation are 5 and 6, respectively. Find two roots. Solution. Assume that two roots are x and y.

View More Related Solutions