The line chart given below shoes the savings and expenditure of 5 companies C, D, E, F and G.

Income = Saving + Expenditure

What is the ratio of total expenditure to the total incomes of all the companies ?

35 : 74

Total expenditure = 400 + 700 + 600 + 500 + 1300 = 3500

Total income = 3500 + 600 + 1100 + 900 + 600 + 700 = 7400

Ratio of total expenditure to total income ,

= 3500 : 7400

= 35 : 74