Review for Test: Ratios and Proportions

Front

What is the American system of measurement?

Back

The American system of measurement is known as the customary system.

Front

How many batches of cinnamon rolls can be baked in 2 hours if 30 can be baked in 1 hour?

Back

60 batches.

Front

How many total meters did Joseph jog if he jogged 4,500 meters each day for 3 days?

Back

13,500 meters.

Front

What is the ratio of girls at Middle School A (380) to girls in all three schools (970)?

Back

The ratio is 380 to 970.

Front

If 5 out of every 600 cameras made have defects, how many cameras were packaged if 2 had defects?

Back

240 cameras.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is a proportion?

Back

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

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What is the formula for finding a unit rate?

Back

To find a unit rate, divide the quantity by the number of units.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.