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IM 7.2.6 Practice: Using Equations to Sove Problems

A car is traveling down a highway at a constant speed, described by the equation , where represents the distance, in miles, that the car travels at this speed in hours. What does the 65 tell us in this situation?

How many miles does the car travel in 1.5 hours?

How long does it take the car to travel 26 miles at this speed?

Elena has some bottles of water that each holds 17 fluid ounces.

Write an equation that relates the number of bottles of water () to the total volume of water () in fluid ounces.

How much water is in 51 bottles?

How many bottles does it take to hold 51 fluid ounces of water?

There are about 1.61 kilometers in 1 mile. Let represent a distance measured in kilometers and represent the same distance measured in miles. Write two equations that relate a distance measured in kilometers and the same distance measured in miles.

In Canadian coins, 16 quarters is equal in value to 2 toonies. Complete the table and answer the question below.

What does the value next to 1 mean in this situation?

The following table represents a proportional relationship. Fill in the missing parts of the table.

Where is the constant of proportionality in the table?

The following table represents a proportional relationship. Fill in the missing parts of the table.

Where is the constant of proportionality in the table?

The following table represents a proportional relationship. Fill in the missing parts of the table.

Where is the constant of proportionality in the table?

Describe some things you could notice in two polygons that would help you decide that they were not scaled copies.