



 
Here's the question: "The sum of a number and it's double is 24. I don't know what her math book means by this. If they are being extreme about it they might want something like:
A "numericalcomputation" approach taking size into account would go more like:
There is a very old method they used to call "regula falsi" ("the wronganswer rule") that would work for linear problems like this, never needing more than one wrong guess:
Good hunting!  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 