Ratio and Proportion Problems Unit Test

Front

What is a ratio?

Back

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

Front

What does proportion mean?

Back

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

Front

How do you solve a ratio problem?

Back

To solve a ratio problem, you can set up a proportion and cross-multiply to find the unknown value.

Front

If a shipping company packs boxes at a rate of 12 boxes per hour, how many boxes can they pack in 5 hours?

Back

60 boxes (12 boxes/hour * 5 hours = 60 boxes).

Front

What is the formula to find the total number of items based on a ratio?

Back

Total items = (Number of items in one part) * (Total parts in the ratio).

Front

If the ratio of students to teachers is 24:1, how many students are there if there are 5 teachers?

Back

120 students (24 students/teacher * 5 teachers = 120 students).

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

How do you convert a ratio to a percentage?

Back

To convert a ratio to a percentage, divide the first number by the total of both numbers and multiply by 100.

Front

If a recipe requires a ratio of 2:3 for sugar to flour, how much sugar is needed for 9 cups of flour?

Back

6 cups of sugar (2/3 = x/9; x = 2/3 * 9 = 6).

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.