The task is to generate the correct answer for a given math problem.

Q: Problem: if the radius of a circle is decreased 60 % , what happens to the area ?

A: 84 % decrease
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Q: Problem: the population of a bacteria culture doubles every 2 minutes . approximately how many minutes will it take for the population to grow from 1,000 to 300,000 bacteria

A: 16
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Q: Problem: the diameter of the driving wheel of a bus in 140 cm . how many revolutions per minute must the wheel make in order to keep a speed of 24 kmph ?

A:
90.9
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