Question

Aflat nr x stiind ca :
40% din x = 32

Answer 1

40% din x= 40/100•x( simplificam cu 20 şi obţinem) : 2/5•x
2/5•x=32
2x/5=32
2x=32•5
2x=160
x=160:2
x=80

Answer 2

32 x 100 : 40 = 80
x=>80