Posted by linda on Monday, February 14, 2011 at 5:00pm.
If a scale on a map is 2.5 cm to 30 miles..if two cities are 8 cm apart on the map what is the actual distance between the 2 cities?
I have 96 miles but not sure if that is right.

math  Ms. Sue, Monday, February 14, 2011 at 5:02pm
2.5/30 = 8/x
2.5x = 240
x = 96
You're right!

math  Lily, Monday, February 14, 2011 at 5:02pm
2.5/30 is your scale
so 2.5/30=8/x
a proportion, so cross multiply
2.5x=240
x=96
yeah i think you're right

math  linda, Monday, February 14, 2011 at 5:03pm
ok thank you
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