Did you drive to work today? 1f you did, you used a ratio. Driving 3t] miles per hour involves a ratio or proportion of two numbers. It can be written as a fraction, {39 milele hour}, or the way we most commonly see it: 30 mph. Let's start the discussion this week by identifying other proportions we see in our everyday lives. Think of an example of a proportion you use in your life. List the proportion: explain its meaning, and don't torg et to include its traction equivalent