SOLUTION: Peter is outside looking at pigs and chickens in the yard. He comes inside, tells Nadia that he counted 13 heads and 36 feet, and asks her how many pigs and chickens were in the ya
Algebra ->
Human-and-algebraic-language
-> SOLUTION: Peter is outside looking at pigs and chickens in the yard. He comes inside, tells Nadia that he counted 13 heads and 36 feet, and asks her how many pigs and chickens were in the ya
Log On
Question 385315: Peter is outside looking at pigs and chickens in the yard. He comes inside, tells Nadia that he counted 13 heads and 36 feet, and asks her how many pigs and chickens were in the yard. what should Nadia tell him? Found 2 solutions by mananth, texttutoring:Answer by mananth(16949) (Show Source):
You can put this solution on YOUR website! Peter is outside looking at pigs and chickens in the yard. He comes inside, tells Nadia that he counted 13 heads and 36 feet, and asks her how many pigs and chickens were in the yard. what should Nadia tell him?
...
pig =x
chickens=y
x+y=13 heads..............1
4x+2y=36...................2
...
multiply 1 by -2
-2x-2y=-26
add to 2
4x-2x+2y-2y=36-26
2x=10
/2
x= 5 number of pigs
chickens qill be 8
...
m.ananth@hotmail.ca
