Question

In a family of 8, the men eat on average 50 kg of food and women eat on an average 35 kg of food. The men and women are equal in number. A woman joined the family for dinner and the average consumption became 45. How much did woman eat (in kgs)?

Q: Answer-In a family of 8, the men eat on average 50 kg of food and women eat on an average 35 kg of food. Th...

As men and women are equal so , there are 4 women and 4 men so, total consumption will be 50 4 200 by men and 35 4 140 by women Total consumption 340 kg But after including a woman the average consumption for 9 people is given to be 45. So the total consumption will be 45 9 405 kg So, womans consumption will be 405 340 65 kg