John father is 5 times older than john and john is twice as old as his sister Alice . In two year time the sum of their ages will be 58 . How old is john now
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let the age of alice be x
jhon be2x
father be 5 *2x=10x
after 2 yrs alcebe x+2
after 2 yrs jhon be 2x+2
after 2 yrs father be 10x+2
as per sum,
(x+2)+(2x+2)+(10x+2)=58
x+2+2x+2+10x+2=58
13x=58-2-2-2
13x=52
x=52/13
x=4 yrs
jhon is 4 yrs
jhon be2x
father be 5 *2x=10x
after 2 yrs alcebe x+2
after 2 yrs jhon be 2x+2
after 2 yrs father be 10x+2
as per sum,
(x+2)+(2x+2)+(10x+2)=58
x+2+2x+2+10x+2=58
13x=58-2-2-2
13x=52
x=52/13
x=4 yrs
jhon is 4 yrs
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