A recipe requires 250 grams of flour for every 200 grams of butter. Write the ratio of flour to butter in its simplest form.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

Find the maximum value of p= 4x + 5y subject to the following constraints :