Question

do answer my question..​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$give \: that \: sum \: of \: father's \: age \: and \: twice \: the \: age \: of \: his \: son \: is \: 70.$

x be the age of the father

y be the age of the son

i. e $x+2y=70$ ------->( i)

$and \: also \: given \: if \: we \: double \: the \: age \: of \: the \: father \: and \: add \: it \: to \: the \: ages \: of \: his \: son \: the \: sum \: is \: 95$

I. e $2x+y=72$--------(ii)

multipy equation (i) by 2

multipy equation (i) by 2we get $2x +4y =140$ ------(iii)

subtract eqn(iii) by (ii)

$y=15$

substitute y in eqn (i)

$x=40$