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In a pasture are horses and chickens if there are a total of 28 animals and 
80leg : how many chickens and horses?
12 horses, 16
16 horses, 12
18 horses, 10 chickens chickens chickens
10 horses, 18 chickens
janio
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180
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In a pasture are horses and chickens if there are a total of 2828 animals and 8080 legs: how many chickens and horses?\newline1212 horses, 1616 chickens\newline1616 horses, 1212 chickens\newline1818 horses, 1010 chickens\newline1010 horses, 1818 chickens

Full solution

Q. In a pasture are horses and chickens if there are a total of 2828 animals and 8080 legs: how many chickens and horses?\newline1212 horses, 1616 chickens\newline1616 horses, 1212 chickens\newline1818 horses, 1010 chickens\newline1010 horses, 1818 chickens
  1. Identify variables: Identify the variables: Let h h represent the number of horses and c c represent the number of chickens.
  2. Set up equations: Set up the equations based on the total number of animals and the total number of legs: \newline11. h+c=28 h + c = 28 (total animals)\newline22. 4h+2c=80 4h + 2c = 80 (total legs)
  3. Solve for c: Solve the first equation for one of the variables. Let's solve for c c :\newlinec=28h c = 28 - h
  4. Substitute c: Substitute c=28h c = 28 - h into the second equation:\newline4h+2(28h)=80 4h + 2(28 - h) = 80
  5. Simplify and solve: Simplify and solve for h h :\newline4h+562h=80 4h + 56 - 2h = 80 \newline2h+56=80 2h + 56 = 80 \newline2h=24 2h = 24 \newlineh=12 h = 12
  6. Substitute h: Substitute h=12 h = 12 back into the equation for c c :\newlinec=2812 c = 28 - 12 \newlinec=16 c = 16

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