How do you write the product of 8 and the difference of 9 less than c?

The expenditures of mr. ramos for 3 days are in the ratio of 2 : 1 : 3. a. what fraction of his expenditure on the last day is his expenditure on the first day? b. how many times is his expenditure on the last day as much as his expenditure on the second day? the exppenditures of mr. ramos for 3 days are in the ratio of 2: 1: 3