Tax
A recipe calls for 3 1/2 cups of sugar. If you double the recipe you will need this amount of sugar.
What is 7 cups?
The recipe calls for 1/4 cup of water. This is the amount you need it if you double it.
What is a 1/2 cup?
The amount of quarts in a gallon.
What is 4?
Total cost for a $110 dinner with 25% tip!
What is $137.50?
3/4 as a percent
What is 75%
The amount of cookies in a baker's dozen.
What is 13?