Mary who is sixteen years old is four times as old as her brother how old wil mary be when she is twice as old as her brother? with ansewers
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mary age is 16
mary age is 4 times as old as his bro
let bro age is x
then,
16= 4x
x = 4
then mary age wn she is twice the age her bro is 2×4=8
mary age is 4 times as old as his bro
let bro age is x
then,
16= 4x
x = 4
then mary age wn she is twice the age her bro is 2×4=8
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