Ratios
Rate
Better Buy/Rate/Unit Rate
Proportions
Random
100
What are three ways to write a ratio?
:, fraction bar, "to"
100
Define rate.
A ratio that compares two quantities with different units.
100
Adam spent $2.01 on 3 pounds of bananas. Ben spent $3.45 on 5 pounds of apples. Who had the better buy?
Adam.
100
If Joey spent $28 on 5 pounds of candy, how much will 8 pounds of candy cost?
$44.80
100
Find the unit rate. 67 cups/8 servings. Round to the nearest hundredth.
8.38 cups per serving
200
What is the difference between a ratio and a rate?
A rate compares with different units of measure while a ratio compares the same units of measure.
200
If you can read 380 words in 5 minutes, what is your unit rate?
76 words per minute
200
Which is the better buy? 18 pens for $6.84 or 30 pens for $8.40?
30 pens for $8.40
200
Kristina walks for 4 minutes after every 28 minutes of running. Jenny walks for 3 minutes after every 21 minutes of running. Are their ratios of walking time to running time equivalent?
Yes 1/7 = 1/7
200
Write the ratio as a fraction in simplest form: 5 yards to 3/7 yards
11 2/3
300
If there are 14 red Skittles, 15 green Skittles, and 21 purple Skittles, the ratio of green to total is 3:10. True or False?
True: 15:50 simplifies to 3:10
300
Dennis paid $42.98 for 14 gallons of gas. What is the price per gallon?
$3.07 per gallon
300
Which is the better buy? 6 shirts for $25.50 or 5 shirts for $21.00?
5 shirts for $21.
300
You eat 12 pieces of sushi in 3 days. At this rate, how many pieces of sushi will you eat in a week?
28 pieces of sushi
300
What value will make this proportion true?
48 gallons
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
400
If 7 pounds of apples cost $13.16, how much will 10 pounds of apples cost?
$18.80
400
What is the unit rate for miles per gallon?
24 miles per gallon
400
Ashley is going to ride her bike to a friend's house that is 40 miles away. She is riding at an average rate of 15 miles per hour. How many hours will it take her?
600 hours
400
5/6 divided by 1 2/3
1/2
500
In the following words, "Fischer Middle School", what is the ratio of vowels to consonants?
6 to 13
500
Beth can run 3.2 miles in 25 minutes. How many miles can she run per minute? Per hour?
0.128 miles per minute
7.68 miles per hour
500
Steven works the same amount of hours each day. On Monday, he got paid $89.50 for ten hours. If he works Tuesday and Wednesday, how much money will he make per hour? How much money will he make in total after three days?
$8.95 per hour; $268.50 in total
500
A box of cereal states that there are 72 calories in 3/4-cup serving. How many calories are there in 2 cups of cereal?
192 calories
500
3 3/5 divided by 5 3/4
72/115