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Posted by **Please Please Help** on Wednesday, February 8, 2012 at 6:51pm.

A three-digit number increases by 9 if we exchange the second and third digits. The same three-digit number increases by 90 if we exchange the first and second digits. By how much will the value increase if we exchange the first and third digits?

Thank you

- Middle School Math -
**Ms. Sue**, Wednesday, February 8, 2012 at 6:55pmBobpursley explained this answer yesterday.

http://www.jiskha.com/display.cgi?id=1328649370

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