9/20 : 18% =... pake cara yahhhh

18% = 18/100 = 9/50

= 9/20 : 9/50
= 9/20 x 50/9
= 50/20
= 5/2

5/2 = 2 1/2 = 2,5 = 250%

jawabannya 2 1/2
moga bner ya'