In a camp there is enough flour for 300 persons for 42 days. How long the flour last if 20 more persons join the camp?
Answers
Answered by
127
No. of people No. of days
300 42
320 x
(As more people means that the food last for less days. So , its inverse variation).
=> x/42=300/320
(cross- multiply)
=>x*320=42*300
=>x =42*300/320
=>x =315/8
=>x = 39.374 days or 39(3/8)days (mixed fraction) = ans.
300 42
320 x
(As more people means that the food last for less days. So , its inverse variation).
=> x/42=300/320
(cross- multiply)
=>x*320=42*300
=>x =42*300/320
=>x =315/8
=>x = 39.374 days or 39(3/8)days (mixed fraction) = ans.
Answered by
9
Answer:
3/8 is the ans
Step-by-step explanation:
Similar questions