Ratios and Rates

1.

1 point

A ratio is a ______________ of two quantities.

description

comparison

constant

representation

2.

1 point

Rates are types of ratios that include _____________.

decimals

answers

numbers

units

3.

1 point

Which of the following is true about unit rates?

they do not include descriptions

They can never include fractions or decimals

the "one" is always on the top

the "one" is always on the bottom

4.

1 point

A box is filled with different colored pencils. There are 5 blue pencils, 3 red pencils, and 2 yellow pencils. What is the ration of yellow to blue pencils?

5 to 2

3 to 5

2 to 5

5 to 3

5.

1 point

In a class of 25 students there are 10 students that like the Tar heels, 10 students that like the Blue Devils, and 5 that like the Wolfpack. What is the ratio of Wolfpack fans to Tar Heel fans?

1 to 4

4 to 1

2 to 1

1 to 2

6.

1 point

You have 10 coins in your pocket. There are 5 quarters, 3 dimes, and 2 nickels. What is the ratio of nickels to total coins?

1 to 10

2 to 3

1 to 5

2 to 5

7.

1 point

You can type 400 words in 15 minutes. Which of the following shows this as a rate?

400 to 15

80 to 3

400 words in 15 minutes

400:15

8.

1 point

You can run 400 meters in 100 seconds. Write this as a unit rate.

400 meters per 100 seconds

4 seconds per meter

4 Meters per second

1 meter per 4 seconds

9.

1 point

You have to take a math test that has 50 problems. You have completed 4 problems in 2 minutes. How long will it take you to complete the test?

50 minutes

25 minutes

2 minutes

100 minutes

10.

1 point

You family takes a trip to the beach. You travel 300 miles on 20 gallons of gas. What was your gas mileage? (As a unit rate)

30 miles per gallon

15 miles per gallon

25 miles per gallon

280 miles per gallon

11.

1 point

If you were able to read 5 pages in 7 minutes, how many pages would you have read if you read for 35 minutes?

30 pages

33 pages

35 pages

25 pages

12.

1 point

You babysit for a total of 8 hours and got paid 50 dollars. How much did you get paid per hour?

8 dollars per hour

50 dollars for 8 hours

6.25 dollars per hour

6 dollars per hour

13.

1 point

You can buy a 20 ounce bottle of Milk for $1.89 or a 24 ounce bottle for $2.06. Which is a better buy?

20 ounce bottle

24 ounce bottle

14.

1 point

Which is a better buy? A bag of 24 cookies for $3.45 or a bag of 36 cookies for $4.55?

bag of 36 cookies

bag of 24 cookies

15.

1 point

A 12 ounce soda has 140 calories. A 16 ounce soda has 180 calories. Which has the most calories per ounce.

16 ounce soda

12 ounce soda

16.

1 point

The following ratios are true how many biscuits were eaten in the cafeteria. 3 students ate 8 biscuits, 6 students ate 16 biscuits, how many biscuits would 12 students eat. (think about completing a chart)

18

32

15

24

17.

1 point

A dozen eggs costs $1.99. What is the cost per egg?

12 cents per egg

16.5 cents per egg

20 cents per egg

15 cents per egg

18.

1 point

Using the word INCREDIBLE, what is the ratio of the letter "D" to the letter "E?"

1:2

2:10

2:1

1:5

19.

1 point

Using the word "FRIDAY," what is the ratio of consonants to total letters? (let y be a consonant) Write in Simplest Form!

4:6

1:3

2:3

1:6

20.

1 point

A square has sides of 4 inches. If you increase the sides of the square by a ratio of 2:1, what would be the AREA of the new square? Draw a picture and be careful

32

8

16

64