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Notes for math exam Cheat Sheet (DRAFT) by

these are various math notes

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Finding percent difference

step 1: Cost-D­isc­ount=x
step 2 X/cost = answer in decimal form
 

Exponental rate formula

Pn=Po(1+r)n
end value=­initial value(­1+rate)time