Lesson: Multistep Inequalities in Real-World Problems
In this lesson, we will learn how to formulate a multistep inequality in a real-world context and how to solve it to get the range of values satisfying that inequality.
Sample Question Videos
Worksheet: 25 Questions • 9 Videos
You are choosing between two different prepaid cell phone plans. The first plan charges a rate of 26 cents per minute. The second plan charges a monthly fee of $19.95 plus 11 cents per minute. How many minutes would you have to use in a month in order for the second plan to be preferable?
A cell phone company offers the following two plans:
- Plan A: $20 per month and $1 for every one hundred texts.
- Plan B: $50 per month with free, unlimited texts.
How many texts would you need to send per month for plan B to save you money?
A car rental company offers two plans for renting a car.
- Plan A: $30per day and $ 0.18 per mile
- Plan B: $50per day with free unlimited mileage
How many miles would you need to drive for plan B to save you money?