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April 19, 2015

Posted by **M.A.** on Tuesday, July 27, 2010 at 10:45am.

2

3

5

7

Explain your reasoning.

How did you come to your conclusion?

- math -
**Reiny**, Tuesday, July 27, 2010 at 10:59amoriginal number: 10x+y

reversed number: 10y+x

their sum: 11x + 11y = 88

x+y = 8

their difference: 9x-9y=54

x-y=6

add these two:

2x = 14

x=7

sub back in:

7+y=8

y=1

thus ....

- math -
**M.A.**, Tuesday, July 27, 2010 at 11:12amthank you, Mr. Reiny.

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