Question 1158671
</pre>A man is four times older than his son<pre>M = 4S</pre>but five years older than his wife.<pre>M = W+5</pre>The sum of their ages is 103.<pre>M+S+W = 103</pre>Solve this system:<pre>

{{{system(M=4S,M=W+5,M+S+W=103)}}}

I won't tell you the age of the man, but the son is 12.

Edwin</pre>