Acookie recipe states for every 3 cups of flour, 1 1/2 teaspoons of vanilla are needed. how many teaspoons are needed for 5 cups of flour?

There are 2.5 tsp vanilla needed for 5 cups of flour. I solved this by putting the given info into a ratio- cups of flour/tsp. vanilla. Then, i put in the given information and cross multiplied to solve for x. I hope this helped you!! :))

Letter a i would say