Math test 5-1 to 5-4 study guide.

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No they are not equivalent ratios.

Are these two ratios equivalent: 180/240; 25/34

1000 base units in 1 kilo.

How many base units are in 1 kilo?

2 cups in 1 pint.

How many cups are in a pint?

7 days in a week.

How many days are in a week?

5280 feet in 1 mile.

How many feet are in 1 mile?

3 feet in 1 yard

How many feet are in 1 yard?

24 hours in a day.

How many hours are in a day?

12 inches in 1 foot.

How many inches are in 1 foot?

60 minutes in 1 hour.

How many minutes are in 1 hour?

12 months in a year.

How many months are in a year?

8 ounces in 1 cup.

How many ounces are in a cup?

16 ounces in 1 pound.

How many ounces are in a pound?

2 pints in 1 quart.

How many pints are in a quart?

4 quarts in 1 gallon.

How many quarts are in a gallon?

60 seconds in 1 minute.

How many seconds are in 1 minute?

52 weeks in a year.

How many weeks are in a year?

x = 22.8

Solve this proportion using cross products: 25/38 = 15/x

z=7

Solve this proportion using mental math: z/12 = 21/36

8 oranges cost $3.12.

Solve this proportion using unit rates: For 6 oranges it costs $2.34 how much does it cost for 8 oranges?

The second bottle is the better buy.( the 13.5 fluid ounce bottle)

There are two shampoo bottles in a store, the first one is $6.19 for 16 fluid ounces and the second one is $3.99 for 13.5 fluid ounces, which bottle is the better buy?

1 : 5; 1/5

What are 2 other ways to write this ratio: 1 to 5

equivalent ratios are two ratios that express the same relationship between numbers.

What are equivalent ratios

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

What is a proportion.

A rate is a ratio that compares two quantities measured in different units.

What is a rate?

A unit rate is the rate for one unit of a given quantity.

What is a unit rate?

9.8 grams of fat per serving.

What is the unit rate for 147 grams of fat per 15 servings?

3/10

Write the ratio 2 yd to 20 ft as a fraction in simplest form.

2 : 3

Write this ratio in simplest form:18:27

12 to 7

Write this ratio in simplest form:24 to 14

2/3

Write this ratio in simplest form:4/6

100 centi- are in 1 base unit.

how many centi- are in 1 base unit?

1000 milli- in 1 base unit.

how many milli- are in 1 base unit?

10 milli- in 1 centi-.

how many milli- are in 1 centi-

2000 pounds in 1 ton.

how many pounds are in a US ton?

A ratio is a comparison of two quantities by division.

what is a ratio?


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