On a map the distance from Springfield to Pleasantville is 6 in. The map scale is 1/2 in. = 20 mi. Find the actual distance between Springfield and Pleasantville.
a.
3.34 miles
c.
123 miles
b.
60 miles
d.
240 miles

Question

On a map the distance from Springfield to Pleasantville is 6 in. The map scale is 1/2 in. = 20 mi. Find the actual distance between Springfield and Pleasantville.
a.
3.34 miles
c.
123 miles
b.
60 miles
d.
240 miles

imstuck · Answer

Solve this as a ratio.  You have inches to miles on the map: .5 in = 20 miles, and you need to find how many miles 6 inches is. So you set up a ratio of the map info, inches/miles and then set it equal to inches/miles for your trip from Springfield to Pleasantville.  Like this:

imstuck · Answer

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