Question

For 9 cows, 13kg 500g of food supplement are required every day. in the same proportion, how much will be needed for 12 cows​

Answer 1

Answer:

Let the amount of food supplements for 12 cows be x..

No. of cows : amount of supplement :: No. of cows : amount of supplement

9 : 13.5 :: 12 : x

12×13.5 = 9x

x =(12×135)/90

x =18.

Thus,

18 kg of food supplements are required for 12 cows...

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Answer 2

Answer:

9 cows = 13kg 500g

1 cow = 13 kg 500g /9

= 1.5kg

12 cows =

1.5 \times 12 =18 kg 1.5×12=18kg

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