quantQ
 Glow In The Dark Algebra

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Not all GMAT problems have to be boring. In a word problem, they can introduce sports, fast cars, celebrities, rock and roll, or even radioactive materials. Enjoy the diversion, but put it aside to focus on the numbers you’ve been given.

Question of the Day

The weight of a radioactive metal reduces by half every 1 second. If an experiment starts with grams of the radioactive metal, which of the following expressions gives its weight in grams, after  minutes?

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Some people think in the form of equations. Most of us don’t. But, by thinking about what will happen after one second, then after two, and three, and so on you give yourself an opportunity to see the pattern that will help you discern what the equation should be.