banu is 20 year older than binu. in 5 year banu will twice as old as binu find their present ages.
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let binu's ages be x and banu's be x+20
after 5 years-
binu's age=x+5
banu's age=x+20+5=x+25
x+5/x+25=1/2
2(x+5)=1(x+25)
2x+10=x+25
2x-x=25-10
x=15
binu's age=15
banu's age=15+20=35
plz mark it brainliest
after 5 years-
binu's age=x+5
banu's age=x+20+5=x+25
x+5/x+25=1/2
2(x+5)=1(x+25)
2x+10=x+25
2x-x=25-10
x=15
binu's age=15
banu's age=15+20=35
plz mark it brainliest
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