Question 1113434
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<pre>
salmon + tuna  + California = 28


2x     + (x+4) + x          = 28


4x + 4 = 28  ====>  4x = 28 - 4 = 24  ====>  x = {{{24/4}}} = 6.


<U>Answer</U>.  6 California rolls;  6*2 = 12 salmon rolls;  6+4 = 10 tuna rolls.
</pre>

Solved.



<U>The lesson to learn from the solution is THIS:</U>


<pre>
     This problem is for one (ONE) unknown - not for 3.
</pre>


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