Question

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

Answer 1

Step-by-step 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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