40% of what number is 82?
82100/40 = 205 40% 0f 205 = 20540% = 205*40/100 = 82hopes this helps :) :D :)
We set up an equation: 82/?= 40/100Cross multiply: 40?= 82100⇒ ?= 82*100/40= 20540% of 205 is 82.