6 Unit 2 Test (Percents, Ratios, Rates)

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply the result by 100.

Front

What is the formula to find the unit rate?

Back

The unit rate is found by dividing the quantity by the number of units, expressed as 'quantity per unit'.

Front

How do you express a decimal as a percent?

Back

To express a decimal as a percent, multiply the decimal by 100 and add a percent sign.

Front

What does it mean for a set of numbers to be in descending order?

Back

A set of numbers is in descending order when they are arranged from largest to smallest.

Front

If a person types 408 words in 4 minutes, how do you find their typing speed in words per minute?

Back

Divide the total words (408) by the total minutes (4) to find the typing speed: 408 ÷ 4 = 102 words per minute.

Front

What is the relationship between ratios and rates?

Back

A rate is a specific type of ratio that compares two quantities with different units, such as miles per hour.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100.

Front

What is the significance of the term 'unit rate' in ratios?

Back

The unit rate provides a way to compare quantities on a per-unit basis, making it easier to understand the relationship between them.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction or if their cross products are equal.