Solving Proportional Relationship Problems

Jack used 12 Centimeters of tape to wrap 5 presents. How many presents Jack can wrap if he has 25 centimeters of tape.
Which setting of proportion is correct to solve this problem? 

• 12/5 = 25/x

• 12/5 = x/25

Harold took a total of 12 quizzes over the course of 2 weeks. How many weeks are needed for him to take 40 quizzes?

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Keith bought 4 shirts for $40.20. What would be his cost for 13 shirts?
What is the correct proportion to be set to solve this problem?

• 4/40.20 = 13/x

• 4/20 = x/13

Keith bought 4 shirts for $40.20. What would be his cost for 13 shirts?

• 130.65

• 1.29

• 13.65

A vehicle uses  1 and 1/8​   gallons of gasoline to travel 13 and 1/2  miles. At this rate, how many miles can the vehicle travel per gallon of gasoline?

• 16/243

• 4/3

• 12

• 13

Carley is throwing a party. She needs 3 liters of soda for every 12 guests. If there are 48 guests attending the party, how many liters of soda will she need?

• 12 liters

• 144 liters

• 36 liters

• 8 liters

Hannah reads 5/ 8 page in 2/3 minute. How many pages can she read in one minute?

• 5/8 pages per minute

• 10/24 pages per minute

• 15/16 pages per minute

• 16/15 pages per minute

One inch on a map represents 140 miles. If the distance from Rochester to Manhattan is actually 420 miles, how many inches would this be on a map, to the nearest tenth?

• 3 inches

• 2 inches

• 5 inches

• 2.5 inches

Jack used 12 Centimeters of tape to wrap 5 presents. How many presents Jack can wrap if he has 25 centimeters of tape. Round to nearest whole number

• 10 presents

• 11 presents

• 60 presents

Harold took a total of 12 quizzes over the course of 2 weeks. How many weeks are needed for him to take 40 quizzes?
Which setting of proportion is correct to solve this problem?

• 12/2 = 40/x

• 12/2 = x/40