In this lesson, you will learn how to write an equation that represents the proportional relationship between the total cost and the number of items by finding the unit price.
In this lesson you will learn how to determine the best deal by comparing equations that represent the proportional relationship between the total cost, t and the number of items, n.
In this lesson you will learn how to write an equation that expresses the relationship between the distance and the time by finding the unit rate.
In this lesson you will learn how to compare rates of speed by comparing equations that represent the proportional relationship between the distance, d and the time, t.
In this lesson you will learn how to write equations to represent the proportional relationship between the amount change and the final amount by finding the percent change.
In this lesson you will learn how to calculate simple interest by using the simple interest equation.