[tex]\it p\%\ din\ 158400=1\ \Rightarrow \dfrac{p}{100}\cdot158400=1 \Rightarrow p\cdot1584=1 \Rightarrow \\ \\ \\ \Rightarrow p=\dfrac{1}{1584}\ \approx\ 0,0006[/tex]
Răspuns:
x·158400/100 = 1
158400x = 100
x = 100/158400
x = 0,0006(31) %
