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At a certain time in a …

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At a certain time in a deer park, the number of heads and the number of legs of deer and human visitors were counted and it was found that there were 39 heads and 132 legs. Fund the number of deer and human visitors in the park. What value will be depicted if we take care of animals? (Value base question)
  • 2 answers

Saki D 6 years, 6 months ago

First equation 4x + 2y = 132 second equation x+y 39 multiple equation second by 2 2x + 2y = 78 subtracting first equation with 2x +2y = 78 by solving you will get x = 27 put the value of y in first equation and by solving you will get 12

Dipen Saka 6 years, 6 months ago

let the no. of dears be = x

and, no. of humans be = y

according to question,

             4x + 2y = 132

     ==>  2x + y = 66 ----------------------------------------------(1)

and,       x + y = 39   ----------------------------------------------(2)

 

solving (1) & (2)

we get; x = 27 and y = 12

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