Question

Shaun is 4 years older than her sister Charmaine. If the sum of their ages is 16, how old is Charmaine?

Answer 1

Explanation:

`let \: the \: age \: of \: charmaine \: be \: x`

`according \: to \: question`

`4 + x = 16`

`x = 16 - 4`

`12`

`so \: the \: age \: of \: shaun \: is \:`

`x + 4`

`12 + 4`

`16`

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