Re: Math question
Book method makes perfect sense. It's stupid-easy to figure out what 100 x anything is, so you can get to 2500 instantly. Then, since you only needed 96 of them instead of 100, just take 4 back off, so -100.
Breaking it into 90 and 6 doesn't help...
Perhaps, if I am very lucky, the feeble efforts of my lifetime will someday be noticed and maybe, in some small way, they will be acknowledged as the greatest works of genius ever created by man. ~Jack Handey