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A parking lot has a ratio of 17: 3 full parking spaces to empty parking spaces.
If there are 500 total parking spaces in the lot, how many spaces are full?



Answer :

Answer:

425

Step-by-step explanation:

Recall that ratios is a mathematical comparison of two things--in our case, parking.

The ratio 17 : 3 means that for every 17 parked spots, there are 3 empty ones. This totals to 20 parking spots.

If the problem says that instead of 20 total spots, there are 500 then the ratio must be scaled up by a factor of 25 (or 500/20) so that our ratio does equals to 500.

So, the new ratio is:

17(25): 3(25) = 425 : 75, where 425 is the number of fully parked spots.

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