Rates, Ratios, and Unit Rates

Ratios

100

What are three ways to write a ratio?

a:b, a to b, a/b

200

There are 12 cupcakes for every 9 cookies. Write this ratio in SIMPLEST FORM. 

4:3, 4/3, 4 cupcakes to 3 cookies

300

The ratio of red Skittles to green Skittles is 3:7. There are 50 Skittles total. How many are red? How many are green?

15 red and 35 green

400

The Giants won 8 games, lost 6 games, and tied 4 games. Write a ratio (in simplest form) of wins and ties to total games.

12 to 18 = 2 to 3

500

In the following words, "Easton Middle School", what is the ratio of vowels to consonants?

7 to 10

Rate

100

Define unit rate.

A rate with a denominator of 1; An amount per 1 unit. 

200

If you can read 380 words in 5 minutes, what is the number of words per minute?

76 words per minute

300

Dennis paid $42.98 for 14 gallons of gas. What is the price per gallon?

$3.07 per gallon

400

If 7 pounds of apples cost $13.16, how much will 10 pounds of apples cost?

$18.80

500

Beth can run 3 miles in 15 minutes. How many miles can she run in an hour?

12 miles

Better Buy/Rate/Unit Rate

100

Adam spent $2.01 on 3 pounds of bananas. Ben spent $3.45 on 5 pounds of apples. Who had the better buy? Show all work!

Adam.

200

Which is the better buy? 18 pens for $6.84 or 30 pens for $8.40? (Show all work!)

30 pens for $8.40

300

Which is the best buy? 6 shirts for $25.50 or 5 shirts for $21.00? Show all work.

5 shirts for $21.

400

Ashley is going to ride her bike to a friend's house that is 96 miles away. She is riding at an average rate of 15 miles per hour. She has 6 hours to get there. Will she make it on time? Show all work and explain why/why not.

No - she will only be able to travel 90 miles in 6 hours.

500

Ed drives from Jefferson to Holden, a distance of 250 miles. He then drives on to Paxton, which is 50 miles from Holden. If it takes him 5 hours to complete the entire trip, how fast is he traveling if he is traveling at a constant speed?

60 mph