Q5 of 71 Page 53

Obtain a pair of linear equations in two variables from the following information:

The sum of the weights of a father and a son is 85 kg. The weight of the son is 1/4 of the weight of his father.

let x and y be the weight of father and son respectively.

Now,


Given, The sum of the weights of a father and a son is 85 kg


x + y = 85 …[1]


and,


also, The weight of the son is of the weight of his father


…[2]


These are the required linear equations.


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