amckennie51 amckennie51

21-03-2021
Mathematics

contestada

A farmhouse shelters 10 animals. Some are pigs and some are ducks. Altogether there are 36 legs. How many DUCKS are there?

Respuesta :

muskan1913yadav muskan1913yadav

21-03-2021

Answer:

let no of pigs=x

ducks=y

x+y=10.....(1)

4x+2y=36

2x+y=18....(2)

by(1)..y=10-x

putting vvalue

2x+10-x=18

x=8

ducks=8

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