Chapter 7 CC1 Extra Practice

Front

What is the best deal when comparing prices?

Back

To determine the best deal, compare the price per ounce or unit. In this case, neither option is the best deal.

Front

If a recipe calls for 1.5 cups of milk for every 3 cups of flour, how do you maintain the proportions if you change the amount of flour?

Back

To maintain proportions, use equivalent ratios. If 5 cups of flour are used, the amount of milk should be 2.5 cups.

Front

How long will it take a grading machine that grades 48 tests per minute to grade 288 tests?

Back

It will take 6 minutes to grade 288 tests.

Front

What is the expression for the total amount of tiles if given as 2x + 8?

Back

The expression 2x + 8 represents the total amount of tiles.

Front

How do you determine the relationship between pages read and points earned?

Back

For every 125 pages read, Daysha earns 5 points, indicating a direct proportional relationship.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per 1 unit.

Front

How do you find the price per ounce of a product?

Back

Divide the total price by the total number of ounces to find the price per ounce.

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

What is the formula for calculating the total time taken if you know the rate and the total quantity?

Back

Total time = Total quantity / Rate.

Front

What does it mean to keep proportions in a recipe?

Back

Keeping proportions means maintaining the same ratio of ingredients even if the total amount changes.