A part of monthly expenses of a family is constant and the remaining vary with the number of members in the family. For a family of 4 persons. the total monthly expenses are Rs. 10.400: whereas for a family of 7 persons. the total monthly expenses are Rs. 15,800. Find the constant expenses per month and the monthly expenses on each member of a family.
Let the constant monthly expenses be Rs. x and for each member of the family the monthly expenses be Ra. y.
∴ x+4y=10,400 and x+7y=15,800.
Krishna’s family has 4 members. The daily rice consumption of the 4 family members is - 0.5 kg, 0.4 kg, 0.3 kg and 0.6 kg. Krishna wants to find the average rice consumption per family member. What is the measure that will come into use now?
In Krishna’s family there are 4 members. The daily rice consumption of the 4 family members are - 0.5 kg, 0.4 kg, 0.3 kg and 0.6 kg. Krishna wants to find the rice consumption per family member. What is the quantity that will come into use now?