?????????? yu meen "pe" is wong thang, like x ?????????
pe=mgh, so m=pe/gh
then yu sae pe=1225, so be it
next problem...most folks interpret "x/gh" as "x/(gh)" or "x/g/h"
bi strikt math rules, thats rong...it reelee meen x/g*h=(x/g)*h=h*x/g
take yer pik wich yu want