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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