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# 100 pens cost x dollars. How many pens can be purchased for 50 cents, assuming the same rate?

**Solution:**

Given,

Cost of 100 pens = x dollars.

Cost of 1 pen = x/100 dollars

Number of pens that can be purchased for 50 cents i.e. 0.5 dollars.

Cost of n pens = Number of pens that can be purchased/cost of 1 pen

Substituting the values

= (0.5 dollars) / (x/100dollars)

So we get

= 50/x pens

Therefore, 50/x pens can be purchased for 50 cents.

## 100 pens cost x dollars. How many pens can be purchased for 50 cents, assuming the same rate?

**Summary:**

If 100 pens cost x dollars, for 50 cents 50/x pens can be purchased.

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