The total number of hens and goats in a farm house is 50.Total number of thier legs is 140. Then find the number of goats and hens is the farm house
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x+y = 50 *4------------>4x+4y=200 (1)
2x + 4y = 140 *2----->4x+8y=240 (2)
by solving (1) and (2) we will get x= 40 and y =10
monika2605:
thx
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