The scale on a map is 3 inches : 4 miles. how far apart are two cities that are 9 inches apart on the map?

Distance between two cities that are 9 inches apart on the map is 11.97 miles (12 miles)

Step-by-step explanation:

As it is given in the question scaled distance on a map is 3 inches = 4 miles.

Now we have to calculate how many miles in 1 inches on the map = 4÷3

                                                                                      = 1.33miles

Now we get the value of 1 inches on the map = 1.33 miles

9 inches = 1.33 × 9 = 11.97 miles ( Probably close to 12 miles if allowing for changing elevations in the distance)

In elementary school we used to refer to this as a ratio problem; two equal ratios with one containing unknown as :

X/C = A/B

X miles / 9 inches = 4 miles / 3 inches

X = 9 (4÷3)

X = 9×1.33

X = 11.97

=12 miles

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step-by-step explanation:

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