Ratio problems

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 simplify a ratio?

Back

To simplify a ratio, divide both terms of the ratio by their greatest common divisor (GCD).

Front

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

Back

The ratio of flour to sugar is 3:2.

Front

What does it mean if a ratio is expressed as 1:4?

Back

It means for every 1 part of the first quantity, there are 4 parts of the second quantity.

Front

How do you find the total number of items when given a ratio?

Back

Add the parts of the ratio together and then use the known quantity to find the total. For example, if the ratio is 3:1 and you know there are 24 levels beaten, the total is 24 + (24/3) = 32.

Front

What is the ratio of empty spaces to filled spaces in a parking lot with 117 total spaces and 36 filled?

Back

The ratio of empty spaces to filled spaces is 81:36.

Front

If you sell 3 boxes of chocolate for 15 points, how many points do you earn for 7 boxes?

Back

You earn 35 points for selling 7 boxes.

Front

In a juice recipe, if Sam uses 1 part cherry to 4 parts sprite, what is the total number of parts?

Back

The total number of parts is 1 + 4 = 5 parts.

Front

How do you express a ratio in simplest form?

Back

Divide both sides of the ratio by the same number until you cannot divide anymore.

Front

If a recipe requires 4 teaspoons of seasoning for every 5 teaspoons of cream, how many teaspoons of seasoning are needed if there are 50 more teaspoons of cream than seasoning?

Back

You will need 200 teaspoons of seasoning.