>Al,
>
>>Or maybe this is a *purposeful* "mistake". Getting kids scratching their heads over this probably reinforces the learning. Perhaps kids who point out the problem get extra credit?
>
>No mistakes. This is a pure common factors problem, it only involves integer multiplications and divisions.
>
>X = 36
Hmm, in Jay's solved example, each column maintains a top/bottom ratio of 4/7. My assumption was the second, unsolved example is supposed to work the same way, so X would be 21.6.
How are you getting 36?
Regards. Al
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