**PLEASE HELP ME** Clifford is making a really big white cake for his Sister's birthday. The recipe calls for 1.5 times as much flour as sugar. It also calls for 1/2 as much butter as sugar. All the butter, flour, and sugar together total 7.5 cups. How much butter, sugar, and flour does Clifford need? Write and solve an equation. Remember to define your variable and to state your answer in a sentence.