lilypirvu14 lilypirvu14

23-03-2022
Mathematics

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Write a system & solve: A farm has only chickens & cows. In total, there are 145 animals. However, there are only 324 animal legs. How many cows are there?

Respuesta :

col7kings col7kings

24-03-2022

Answer:

x=17 y=128

Step-by-step explanation:

x-cows

y=chicken

x+y=145

4x+2y=324

x=145-y

4(145-y)+2y=324

580-4y+2y=324

580-2y=324

580-324=2y

256=2y

y=128

x=145-128

x=17

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