Do these ratios form a proportion? What is the unit rate?
4/12 and 3/9
Yes because they both simplify to 1/3, or because 4 x 9 = 36 and 12 x 3 = 36
100
A 2 ounce bag of chips costs $5. What is the cost of the chips per ounce?
$2.50 per ounce
100
2 quarts of milk costs $2.00. A gallon of milk costs $3.50. Which is the better buy?
The gallon of milk is the better buy.
100
3 pounds of bananas cost $1.80. How much would 8 pounds of bananas cost?
$4.80
100
NO CALCULATOR USE!
Marsha needs 2 3/4 cups of flour for each batch of cookies that she makes. She has 28 1/2 cups of flour. How many full batches of cookies can she make? Show all of your work.
28 1/2 divided by 2 3/4 is 10 4/11. She can make 10 full batches of cookies.
200
Find the missing number in the proportion.
10/6 = x/3
x = 5
200
Jacob travels 198 miles in 5.5 hours. What is his unit rate in miles per hour?
36 mph
200
The cost of 3 candles is $9. What is the cost of 5 candles?
15
200
Four pounds of apples cost $4.16. How much would five pounds of apples cost?
$5.20
200
NO CALCULATOR USE!
Mrs. Peters has a 24-inch kitchen shelf where she stores different spices. The spices are kept in small tin boxes, each 1.6 inches in length. How many of these boxes of spices can fit on the shelf? Show your work.
15 boxes
300
At the middle school dance, the ratio of girls attending to boys attending was 5 to 4. There were 250 girls attending the dance. How many boys were there? Set up a proportion and solve.
200 boys
300
A classroom has 92 desks in four classrooms. What is the unit rate for this situation?
23 desks per classroom
300
3 pounds of red delicious apples cost $6. 4 pounds of empire apples cost $12. Which is the better buy? Show your work.
The empire apples are the better buy.
300
Carol spends 17 hours in a 2-week period practicing her culinary skills. How many hours does she
practice in 5 weeks?
42.5
300
Larry makes a base salary of $200 each week, plus $18 for each sale that he makes. Write and solve an equation to show how many sales Larry made in a week where his pay was $596.
200 + 18x = 596 Larry made 22 sales.
400
The cost of 3 candles is $9. What is the cost of 5 candles?
$15
400
Maria used 5 1/2 gallons of paint to paint 7 rooms. What is the unit rate in gallons of paint per room?
11/14 of a gallon of paint per room
400
2 2/3 yards of fabric cost $3. Five yards of fabric costs $2.25. Which is the better buy? Show your work.
5 yards
400
Brennan's car used 2 liters of oil on a 1,200-kilometer trip. How many liters of oil can he expect to use on a 1,700 kilometer trip? Express your answer as a fraction.
2 5/6 liters of oil
500
Carol spends 17 hours in a 2-week period practicing her culinary skills. How many hours does she
practice in 5 weeks?
42.5
500
Jeremy drank 1 1/2 pints of milk in 20 minutes. How many fluid ounces of milk did he drink per minute?
1.2 fluid ounces per minute
500
12 1/2 ounces of gatorade costs $1.08 . 2 cups of gatorade costs $1.65. Which is the better buy? Show your work.
12 1/2 ounces of gatorade is the better buy because that would cost $0.09 per ounce. 2 cups of gatorade would cost $0.10 per ounce.
500
2 2/3 yards of ribbon cost $4.00. How much would 5 feet cost?