Question

16. A farmhouse has feed for 400 poultries for 20 days at the rate of 2.4 gm per day per hen.After 5 days, 200 more hens were added. How much feed per day per hen should consume so that the feed lasts for 12 days?​

Answer 1

Answer:

40 is the answer

Step-by-step explanation:

This is like a time and work question  

400 men x 50 days = 20000 (total food)  

This is your standard equation for total food.  

Now, for 20 days, 400 men will eat:  

20 x 400 = 8000  

Food left = 12000.  

Men left = 300  

300 x no. Of days = 12000  

No. Of days = 12000/300  

= 40

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Answer 2

Answer: 1.5 gms of feed per hen for feed to last 12 days

Step-by-step explanation:

1.5 gms per her !

farmer could feed 200 hen 2.4gms for 20 days that’s

2.4 gm X 200 hen X 20 days = 9600 gms

200 more hens were added after 5 days

so each hen consumed 2.4 gm untill 5 days ,

2.4 gm X 200 hen X 5 days = 2400 gms consumed !

Remaining is 9600–2400=7200 gms

7200 gms for 400 hens for 12 days ,

thats

7200 gms / 12 days = 600 gms per day for 400 hens

so

600 gms / 400 hens = 1.5 gms of feed per hen for feed to last 12 days

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