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On a​ map, 1 inch equals miles. If two cities are 3 inches apart on the​ map, how far are they actually​ apart?

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Answer: as many miles as 3 inches is

Explanation:

To determine the actual distance between two cities when given a scale on a map, we can use the concept of ratios and proportions.

In this case, we are told that 1 inch on the map represents a certain number of miles. Let's say that 1 inch on the map represents x miles.

We can set up the following proportion:

1 inch / x miles = 3 inches / y miles

Using cross-multiplication, we have:

1 inch * y miles = 3 inches * x miles

Simplifying the equation:

y miles = 3 inches * x miles

Now, we can substitute the given value of 3 inches for the distance on the map:

y miles = 3 inches * x miles

To find the actual distance between the cities (y miles), we need to know the value of x, which represents the number of miles represented by 1 inch on the map. Without that information, we cannot calculate the actual distance between the cities.

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