Pre-Algebra Chapter 6 Review

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 terms and then solve for the variable.

Front

What is the formula for converting dollars to cents?

Back

Multiply the dollar amount by 100 to get the equivalent amount in cents.

Front

If 4 notebooks cost $4.40, how much does one notebook cost?

Back

One notebook costs $1.10.

Front

How do you find the equivalent rate of a given rate?

Back

To find the equivalent rate, convert the units to the desired format while maintaining the same ratio.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equal.

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if their cross products are equal.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined into a single unit.

Front

Convert 325 feet per hour to feet per minute.

Back

5.417 feet per minute.

Front

If you earn $9 per hour, how much do you earn in 15 minutes?

Back

You earn $2.25 in 15 minutes.