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The distance between City A and City B is 270 miles. On a certain map, this distance is scaled down to 4.5 inches. If the distance between City B and City C on the same map is 12 inches, what is the actual distance between City B and City C?

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Find the scale for how many miles per inch are on the map:

270 miles / 4.5 inches = 60 miles per inch.

On the map every 1 inch equals 60 miles.

12 inches x 60 miles per inch = 720 miles total.

City B and City C are 720 miles apart

The actual distance between City B and City C will be 720 miles.

What is the scale ratio?

A scale ratio is a measurement that can be used to alter the size of any geometric figure or object in relation to its original size.

Another meaning scale ratio is the conversion of big units into small units to draw into paper or graph

For example 100 m into 5 mm scale ratio 100/5 = 20.

Given,

AB = 270 miles

AB = 4.5 inches

Scale ratio = 270/4.5 = 60

Now given

BC = 12 inches

So,

12 × 60 = 720 miles.

Hence the actual distance between City B and City C will be 720 miles.

To learn more about the scale ratio,

https://brainly.com/question/13770371

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