
To calculate: The actual distance between Myrtle Beach and Greenville based on map distance.

Answer to Problem 31SR
240 miles.
Explanation of Solution
Given information:
The scale on the map indicates 1inch = 20 miles based on the map of South Carolina.
Calculation:
The actual distance between Myrtle Beach and Greenville based on map distance is calculated as below,
It is given that every inch of the map actually corresponds to an actual distance of 20 miles. Hence, the ratio is
The map distance between Myrtle Beach and Greenville is 12 inches. Let 12 inches be the map distance corresponds to the actual distance assumed to be
Algebraically the ratio is getting equated as below,
By using the means-extremes property, the values of
From the ratio of
The product of extremes is equal to the product of means, hence the equation becomes,
Hence, 12 inches on the map distance corresponds to the actual distance are 240 miles.
Therefore, the actual distance between Myrtle Beach and Greenville based on map distance is 240 miles.
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