



 
Hi Justin, I'm going to assume that these are serious questions <grin> In which case, the answer sought is not a number but a formula for one quantity in terms of another. So, eg, "how tall John is if he is 30cm taller than Eric" would be represented by a formula like
Where J is Jonn's height in centimeters and E is Eric's height in centimeters. Good Hunting!  


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