40 ist 20% von welcher Zahl?
Antworten:
200
Erläuterung:
#40/x = 20/100#
#40/x*100 =20/100*100#
#4000/x = 20#
#4000*x/x =20*x#
#4000 = 20x#
#4000/20 = (20*x)/20#
#200 = x#
200
#40/x = 20/100#
#40/x*100 =20/100*100#
#4000/x = 20#
#4000*x/x =20*x#
#4000 = 20x#
#4000/20 = (20*x)/20#
#200 = x#