Question

Solving Proportions
Directions: Solve the following proportions.

1. Rafi took a total of 16 pages of notes during 4 hours of class. After attending 5 hours of class, how many total pages of notes will Rafi have in his notebook?


2. Edward spent 6 minutes on the phone while routing 3 phone calls. In all, how many phone calls does Edward have to route to spend a total of 10 minutes on the phone?


3. Josiah jarred 6 liters of jam after 2 days. How many days does Josiah need to spend making jam if he wants to jar 12 liters of jam in all?


4. Evan's office recycled a total of 8 kilograms of paper over 2 weeks. How many weeks will it take Evan's office to recycle a total of 20 kilograms of paper?


5. Emma baked 15 cookies with 3 scoops of flour. With 4 scoops of flour, how many cookies can Emma bake?

Answer 1

1. In all 20
2. In all 5
3. In all 4
4. In all 5
5. In all 20

Answer 2

These are all proportions, done in the same way.
In each case, set your ratio equal to the one which is constant.

#1. x/5 = 16/4