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a map distance of 5 inches represents 200 miles of actual distance. suppose the distance between two cities on the map is 7 inches. what is the actual distance between the two cities? write the rule you used to find the actual distance

Sagot :

IGreenid
Set up a proportion:

5/200 = 7/x

Cross multiply:

200 * 7 = 5 * x

1400 = 5x

Divide 5 to both sides:

x = 280

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