SOLUTION: The scale on a map indicates that 4 cm is equivalent to 16 miles. If the distance between two cities on the map is 12.4 cm, how far apart are the two cities? Select the correct an

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Question 810295: The scale on a map indicates that 4 cm is equivalent to 16 miles. If the distance between two cities on the map is 12.4 cm, how far apart are the two cities?
Select the correct answer.
a. 38.1 miles
b. 41.9 miles
c. 49.6 miles
d. 62.8 miles

Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
make the ratio of cm to miles a fraction and make it each to a fraction of 12.4 cm to x miles.
4%2F16=12.4%2Fx
cross multiply
4x=198.4
x=49.6
The answer is c. 49.6 miles.