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Timed math tests

You have 3.2 seconds to figure out the problem below.

Alan knows 90% of the concepts behind the math test, and can do those 90% very quickly.  He always gets 90% on timed math tests.

Bob knows 100% of the concepts, but is a slow worker.  In the timed math test, he gets 75%, but, if given an extra 10 minutes, would get 100%.

Alan graduates with an A; Bob with a C.

You are building a bridge. Who would you hire?

Seems like everyone from Gates to Zuckerberg has problems with how education is carried out today.  I wish I had some of their clout and could help to change the system.

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