Proportion Applications and Graphs

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you calculate the total cost when hiring a service at a constant rate?

Back

Multiply the hourly rate by the number of hours.

Front

If a DJ charges $125 per hour, what is the total cost for 4 hours?

Back

$500.00

Front

What does it mean for a graph to represent a proportional relationship?

Back

It means that as one quantity increases, the other quantity increases at a constant rate.

Front

How can you determine if a graph shows a proportional relationship?

Back

Check if the graph is a straight line that passes through the origin.

Front

If a family saves $47.00 each week, how much will they save in 4 weeks?

Back

$188.00

Front

What is the formula to find distance when speed and time are known?

Back

Distance = Speed × Time.

Front

If Marley's family travels at a constant speed of 50 miles per hour, how far will they travel in 8 hours?

Back

400 miles.

Front

What is the total distance traveled at a constant rate of 1 mile per hour for 24 hours?

Back

24 miles.

Front

What is a constant rate?

Back

A constant rate is a speed or ratio that does not change over time.