Question

a man has some hens and cows. if the number of heads be 48 and number of feet be 140, how many cows are there.​

Answer 1

Answer:

22

Step-by-step explanation:

no. of hens h, cows c

h + c =48 ------->A

2×h+ 4c =140 => h+2c=70 ------>B

B-A => C = 22