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April 19, 2015

Homework Help: Math

Posted by Shawna Lynn on Monday, April 29, 2013 at 2:33pm.

Solve the mathematical puzzle.

Determine the digits of R from these clues.

The first digit is the answer when the third digit is divided by 2.

The second and third digits add to 7.

The second digit minus the first digit is 1.

R is a three-digit number: ____


I have never understood how to do this.

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