mr karki earns rs9600 in a month . he spends 15%of his earning on the education of his children and 25% on food
i find his total expense on education and food
ii how much does she save in a month ??
iii How much does he save in a year ??
iv if he spends 80% of his annual saving to buy a piece of land , What is the cost of the land ????



please anybody help me ​