Proportion Word Problems

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and set the products equal to each other.

Front

What is the exchange rate?

Back

The exchange rate is the value of one currency for the purpose of conversion to another.

Front

If the exchange rate is 1 Jamaican dollar = 0.5 US dollars, how many Jamaican dollars do you get for $28?

Back

$56 Jamaican dollars.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

If the ratio of sugar to flour is 1:5, how much sugar is needed for 25 cups of flour?

Back

5 cups of sugar.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together.

Front

How do you find the better buy when comparing prices?

Back

Calculate the price per unit for each option and compare them.

Front

What is scale in maps?

Back

Scale is the ratio of a distance on the map to the actual distance it represents.

Front

If 1 cm on a map represents 8 km in reality, what is the actual distance for 24 cm?

Back

192 km.