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?
Math Middle School -
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