Let x be the number of cow.
Number of hens=180-x.
Since cows have 4 legs and hens 2,
So, 4x+2(180-x)=420.
or, 4x+360–2x=420
or, 2x=420–360
or, 2x=60
or,x=30.
So, number of cows is 30.
Step-by-step explanation:
Hope this helps you^_^ Please mark as the brainliest.
I think it is A. not sure though
14 my teacher just told me the answer
If it rose to 15 you should do 87+15 because it was higher
Answer:
= 21800
N = 2f/109
Step-by-step explanation:
