Math 180: Rates and Ratios B3

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the ratio of print ads to digital ads if there are 4 print ads for every 9 digital ads?

Back

Front

If the ratio of ads for teens to ads for adults is 2:3, what does this mean?

Back

This means for every 2 ads targeted at teens, there are 3 ads targeted at adults.

Front

How can you represent a ratio on a graph?

Back

You can represent a ratio on a graph by plotting points that correspond to the quantities in the ratio.

Front

Back

Front

If Luz sells smartphones at a ratio of 4 to 5 with tablet computers, how many smartphones does she sell if she sells 15 tablets?

Back

If Luz sells 15 tablets, she sells 12 smartphones, making a total of 27 devices.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

How do you find a missing ratio on a graph?

Back

To find a missing ratio on a graph, look for points that maintain the same relationship as the known ratios.

Front

What is the relationship between fractions and ratios?

Back

Fractions can be considered a type of ratio, where the numerator and denominator represent parts of a whole.