Double Barreling Quiz

Originally Posted by ButtonMash

Please explain where my caculation was wrong

You can't just randomly pick numbers and use an operation on them and if it happens to come up with something close to the right answer assume you have the right calculation.

If you were doing it right, then you'd get the exact answer, not just some number that's kinda-sorta close. Like if we changed some of the original parameters, it wouldn't work out like that.