Question

Ans.
3. For 9 cows, 13 kg 500 g of food supplement are required every day. In the same
proportion, how much will be needed for 12 cows?
estion: Let 12 cows need x ko of food supplement.​

Answer 1

Answer:

Step-by-step explanation:

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...