Question 1011510: In a hostel there are 200 students food last for 50 days . After 20 days 50 Student left the hostel and how long food last for ? Found 2 solutions by josgarithmetic, MathTherapy:Answer by josgarithmetic(39616) (Show Source):
You can put this solution on YOUR website! Two hundred students CONSUME THE FOOD in 50 days; so 1 student consumes THE FOOD in . The one-student rate is . This is the key to use.
Two parts make the job of CONSUME THE FOOD.
200 students for 20 days, and then students for unknown t days.
Again, the job is CONSUME THE FOOD.
, which may mean, fifty-three days and one-third of a day.
You can put this solution on YOUR website! In a hostel there are 200 students food last for 50 days . After 20 days 50 Student left the hostel and how long food last for ?
INVERSE variation.
After 20 days, of food is consumed by the 200 students
The remaining of food will last the remaining 150 (200 - 50) students, days
(