Solving Proportions and Ratio Practice #1

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you write the ratio of 12 loaves of wheat bread to 7 loaves of rye bread?

Back

The ratio is written as 12:7.

Front

If there are 7 loaves of rye bread and 12 loaves of wheat bread, what is the total number of loaves?

Back

The total number of loaves is 19 (7 + 12).

Front

In a ratio of 3 to 5, if there are 25 dogs, how many cats are there?

Back

There are 15 cats.

Front

What is the formula to find the missing value in a proportion?

Back

The formula is a/b = c/d, where you can cross-multiply to find the missing value.

Front

If the ratio of cats to dogs is 3:5, what does this mean?

Back

It means for every 3 cats, there are 5 dogs.

Front

How do you simplify the ratio 12:8?

Back

You simplify it by dividing both numbers by their greatest common divisor, which is 4, resulting in 3:2.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

You need 4 cups of sugar (2/3 of 6).

Front

What is a proportion?

Back

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