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ROJEROCHLOEYIN
Answered

There are 20 heads and 60 feet of pigs and birds.How many pigs and birds are in the farm?​

Sagot :

ONEKPHIN

Answer:

10 pigs, 10birds

Step-by-step explanation:

Let p be pigs

B be birds

B+p= 20

2b+4p=60 ( since birds have 2 legs while pigs 4)

Multiply 1st eq by -2

-2b-2p=-40

2b+4p=60 combine

2p=20

p=10

So,

B=10

#Sana Nakatulong :)

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