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Question

If Sam types at a rate of $$x$$ words per minute, calculate how many minutes, in terms of $$x$$ will it take him to type $$500$$ words.


A
500x
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B
500x
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C
500+x
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D
500x
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E
x500
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Solution

The correct option is B $$\dfrac {500}{x}$$
Sam types $$x$$ words in $$1$$ minute.
Time taken to type $$1$$ word is $$\dfrac{1}{x}$$.
Time taken to type $$500$$ words is $$500 \times \dfrac{1}{x} = \dfrac{500}{x}$$.

Mathematics

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