There 22691

There were hens and hares in the yard. They had a total of 20 heads and 56 legs. How many hens and how many hares?

Correct answer:

s =  12
z =  8

Step-by-step explanation:

s+z=20 2s+4z=56  s+z=20 2 s+4 z=56  s+z=20 2s+4z=56  Pivot:Row1Row2 2s+4z=56 s+z=20  Row221 Row1Row2 2s+4z=56 z=8  z=18=8 s=2564z=2564 8=12  s=12 z=8



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