Yanni is trying to predict how much he will likely spend save over 2 1/2 years, based on the average amount he spent or saved in one mouth. He counts every penny! In on mouth, Yanni spent 1,895.43 and earned 1,804.75. He will ask for a raise if he predicts that he will be short more than 2,500 over 2 1/2 years. will Yanni be asking for raise? set up a multi - step problem then show how yur solve it. Finally answer the question and explain your answer