SOLUTION: Noah is six years older then Danielle in three years this some of their ages will be 42 how old is Noah now

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Question 1074694: Noah is six years older then Danielle in three years this some of their ages will be 42 how old is Noah now
Answer by josgarithmetic(39620) About Me  (Show Source):
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Noah is six years older then Danielle. In three years, this some THE SUM of their ages will be 42. How old is Noah now?
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system%28n=d%2B6%2C%28n%2B3%29%2B%28d%2B3%29=42%29


n%2Bd=36
%28d%2B6%29%2Bd=36
.
.


ALTERNATIVE
n=d%2B6
d=n-6
-
n%2Bd=36
n%2B%28d-6%29=36
2n=36%2B6
n=21-----Noah now