Math Middle School
posted by Please Please Explain on .
Please help. I do not have any idea about how to get started on this or finish it.
I was told that the answer that I got was not the complete answer that was needed for me to submit. I do not understand how to extend the problem. I am not able to follow the pattern. This is only one out of 18 problems that I am asking for help with. Please help if you can.
THE PROBLEM READS:
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?
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