Solving Problems with Unit Rates

Vicky spent 12 minutes on the phone while routing 4 phone calls. In all, how many phone calls does Vicky have to route to spend a total of 15 minutes on the phone? Solve using unit rates.

• 5 calls

• 3 calls

• 4 calls

• 6 calls

Malia prepared 10 kilograms of dough after working 2 hours. How many hours did Malia work if she prepared 20 kilograms of dough? Solve using unit rates.

• 4 hours

• 2 hours

• 5 hours

• 8 hours

Regan's Auto Wash had revenues of $15 from 3 customers. In all, how many customers does Regan's Auto Wash need to serve in order to have a total of $20 in revenue? Solve using unit rates.

• 4 customers

• 5 customers

• 6 customers

• 8 customers

Gina walked a total of 12 kilometers by making 2 trips to school. How many trips will Gina have to make in all to walk a total of 18 kilometers? Solve using unit rates.

• 3 trips

• 6 trips

• 8 trips

• 4 trips

Nolan jarred 16 liters of jam after 8 days. How much jam did Nolan jar if he spent 10 days making jam? Solve using unit rates.

• 20 liters

• 2 liters

• 5 liters

• 4 liters

Kelly took a total of 8 quizzes over the course of 2 weeks. After attending 4 weeks of school this quarter, how many quizzes will Kelly have taken in total? Solve using unit rates.

• 16 quizzes

• 4 quizzes

• 8 quizzes

• 6 quizzes

Mei bought 4 postcards during 2 days of vacation. How many days will Mei have to spend on vacation before she will have bought a total of 8 postcards? Solve using unit rates.

• 4 days

• 2 days

• 8 days

• 6 days

Kwan used 15 centimeters of tape to wrap 3 presents. How many presents did Kwan wrap if he used 20 centimeters of tape? Solve using unit rates.

• 4 presents

• 5 presents

• 10 presents

• 12 presents

Pam grew 16 flowers with 4 seed packets. With 5 seed packets, how many total flowers can Pam have in her garden? Solve using unit rates.

• 20 flowers

• 5 flowers

• 4 flowers

• 10 flowers

Krystyn walked a total of 10 kilometers by making 2 trips to school. How many trips will Krystyn have to make in all to walk a total of 15 kilometers? Solve using unit rates.

• 3 trips

• 5 trips

• 6 trips

• 8 trips