Question

There are 78 cups of sugar in a canister in the kitchen, Mrs. Johnson used 1/2 of the sugar she was preparing dessert for her daughters birthday cake. How much sugar does she use

Answer 1

If there are 78 cups of sugar in the canister and Mrs. Johnson used 1/2 of it, then she used 1/2*78 = <<1/2*78=39>>39 cups of sugar. Answer: \boxed{39}.