Posted by **Don** on Sunday, August 26, 2012 at 10:01pm.

I need help answering the following question:

A road sign reads: "5% grade next 4 miles." What is the change in elevation from the lookout to the point four miles ahead (to the nearest foot)?

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**Steve**, Monday, August 27, 2012 at 10:48am
5% * 4mi = .2mi = 1056 ft

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**Anonymous**, Monday, August 27, 2012 at 8:34pm
2

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**skylar**, Monday, August 27, 2012 at 9:23pm
7a-4(b 2)for a =5 and b=2"?

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**feda**, Tuesday, August 28, 2012 at 6:41pm
what if Ali only had tens and ones? How could she have modeled 624 without using hundreds?

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