Practical Problem: Two solutions for a Pool Problem
A work problem is presented to determine how long it will take to fill a pool that has an open drain.
Practical Problem: Finding the Speed of the Wind
A practical problem involving two airplanes requires finding their true speed after factoring in wind speed. The rate, time, and distance formula is used to solve the problem.
Solving a Complicated Cash Register Problem
A store manager needs to calculate how many bills of each denomination she can get with $100 in order to begin the day with enough change in her cash register, knowing she needs only one $20 bill. The solution is presented step-by-step.
Table of Solutions for Equation with Two Variables
Constructing an equation with two variables and using a table to help solve it.
Two Solutions to a Complicated Copy Machine Problem
Complicated word problems are best handled by breaking them into simpler parts, as demonstrated in a rate and time problem. Two different approaches, both using a table to help organize the data, lead to the correct conclusion.
Using a Table to Help Solve a Word Problem
How drawing a table can help to evaluate data and turn it into an equation that can be solved.
Solving a Complicated Principal, Rate, and Interest Problem
Two loans with different interest rates and terms are compared to find the one that fits with the borrower's budget for interest.