Proportions
Proportional Word Problems
Unit Rates and
Better Deals
Better Deals
Percents
Conversions and Constant Rate
100
6/x = 18/21
7
100
A student survey revealed students prefer vanilla ice cream to chocolate ice cream 2:3. If 15 students prefer chocolate ice cream, how many prefer vanilla ice cream?
10 students prefer vanilla ice cream
100
Grogu reads 100 pages in 250 minutes. How long does it take him to read one page?
2.5 minutes
100
What is 40% of 80?
32
100
A blue car travels 220 miles in 4 hours. A green car travels 300 miles in 6 hours. Which car was driving faster?
The blue car was traveling faster.
200
3/9=x/27
21
200
If 2 cups equals 1 pint, then how many pints could be made from 9 cups?
4.5 pints
200
Which is the better deal? 10 waffles for $2.50 or 24 waffles for $4.56?
24 waffles for $4.56
200
15 is what percent of 150?
10%
200
If 1 mile is approximately 1.6 kilometers, how many miles did Tina ride if she rode her bike 40 kilometers?
25 miles
300
x/4 = 15/20
3
300
The ratio of dogs to cats in a pet store is 2 to 3. Which of the following shows the possible numbers of cats and dogs in the pet store?
- a) 12 dogs, 13 cats
- b) 5 dogs, 10 cats
- c) 14 dogs, 21 cats
- d) 20 dogs, 23 cats
c) 14 dogs, 21 cats
300
If 250 cookies cost $5.00, how much does 1 cookie cost?
$0.02 per cookie
300
120 is 30% of what number?
400
300
A recipe for lemonade calls for 4 1/2 quarts of water. How many cups of water should you use for the recipe? (4 cups = 1 quart)
18 cups
400
8/x = 12/30
20
400
A salad contains 3 bell peppers, 2 heads of broccoli, 7 cucumbers, and 4 tomatoes. In simplest form, what is the ratio of tomatoes to broccoli?
2/1
400
A 7 pound bag of dog food costs $6.65. A 10 pound bag of dog food costs $9.30. Which is the better deal?
The 10 pound bag of dog food
400
Alecia surveyed 30 students in her class to find out what type of Halloween candy was preferred. Forty percent said that they liked chocolate candy the best. How many students preferred chocolate candy?
12 students
400
How many kilograms is a backpack that weighs 8 pounds? (1 lb = 0.454 kg)
3.632 kg
500
x/10 = 6/4
15
500
To raise money for cancer, students were encouraged to pay $1 to wear a hat to school. 1,200 students wore a hat, while 400 did not wear a hat. What percent of the school population did not wear a hat?
25% of the students did not wear a hat
500
Which is the better deal? 16 oz of potato chips for $4.00 or 11 oz for $2.50?
11 oz for $2.50
500
In the first year of ownership, a new car can lose 20% of its value. If a car lost $4,200 of its value in the first year, how much did the car originally cost?
$21,000
500
The graph below shows the relationship between the distance in miles that can be run on a treadmill and the time it takes in minutes. According to the graph, how many minutes will it take to run 3.5 miles?
35 minutes