02-04-2020
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John is twice as old as Paul.Two years ago he was three times as old as Paul. How old is each boy?

Respuesta :

02-04-2020

Answer:

John: 8yrs old

Paul: 4yrs old

Explanation:

if John is 8 and Paul is 4 then 2 yrs ago they would be 6 yrs old and 2yrs old respectively.

currently Paul is x

John is 2x

2yrs ago Paul is x-2

john is 2x-2

so

3(x-2)=2x-2

3x-6=2x-2

3x-2x=-2+6

x=4

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