Income of Margarette per month = Rs. 955
Saving of Margarette per month = Rs. 185
Expenditure of Margarette per month = 955185 = Rs. 770
(i) Ratio of her saving to her income = 185 : 955 = 37 : 191
(ii) Ratio of her income to her expenditure = 955 : 770 = 191 : 154
(iii) Ratio of her saving to her expenditure = 185 : 770 = 37 : 154