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December 20, 2014

December 20, 2014

Posted by **David** on Sunday, February 27, 2011 at 12:59pm.

x= 2, y=14

x=10, y=54

x=8, y=44

x=?, y=34

x=?, y=104

x=?, y=31

I thought it was multiply by 5, add 4 but that won't work for the last one where y=31. Help!

- Math -
**MathMate**, Sunday, February 27, 2011 at 1:39pmI agree with you on your choice of the rule.

Functions can work with decimal numbers as well. So I would say x=5.4 solves the mystery of the last one.

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