What are the excel formulas needed to fill in the colored sections?

Fill in the highlighted columns creating formulas using only the aritmetic operators of +,,,/, and grouping symbols. You may NOT create any new columns. You may NOT use any preset functions within Excel. Once you've come up with the correct formula for the first cell in the column, you can use the Fill Handle feature to populate the rest of the column. Fill in the highlighted columns creating formulas using only the aritmetic operators of +,,,/, and grouping symbols. You may NOT create any new columns. You may NOT use any preset functions within Excel. Once you've come up with the correct formula for the first cell in the column, you can use the Fill Handle feature to populate the rest of the column