12 friends plan to order pizza for dinner.
They assume that everyone can eat 1/3 of a pizza.
How many pizzas should they order?

A jacket that sells for $36 is on sale for 1/4 off the price.
What is the sale price of the jacket?

2/5 of the coins in my pocket are nickels.
The rest are dimes.
I have 6 dimes.
How many nickels do I have?

3/4 of the students passed the exam.
8 students failed.
How many students passed the exam?

Jonah had 50 paperback books.
He donated 7/10 of the books to the book fair.
How many books did Jonah keep?