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

Please help. I do not have any idea about how to get started on this or finish it.

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

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