You estimate that you can do 12 math problems in 45 minutes. How long should it take you to do 20 math problems?
Evarado paid $1.12 for a dozen eggs. Write and solve a proportion to determine the cost of the 3 eggs Evarado needs for a recipe.
To make lemonade, you need 6 lemons and 8 cups of water. How many lemons do you need if you have 24 cups of water?