Ratios and Comparisons Practice Test

A recipe calls for flour and sugar in the ratio $$5:2$$. If Maria uses 15 cups of flour, how much sugar should she use to maintain the same ratio?

In a mixture, the ratio of water to orange juice is $$2:3$$. If 10 liters of water and 5 liters of orange juice are added to 40 liters of this mixture, what is the new ratio of water to orange juice?