Jawab:
(8a.) = 800 ⁰/₀₀
(8b.) = 850 ⁰/₀₀
(8c.) = 300 ⁰/₀₀
(8d.) = 875 ⁰/₀₀
(8e.) = 812 ½ ⁰/₀₀
Penjelasan:
Permil (⁰/₀₀)
[tex]\rm\frac{p}{q}=p\times(1.000\div q)~\bf^{0}/_{00}[/tex]
Maka
[tex]\rm(8a.)~\frac{32}{40}\\=32\times(1.000\div 40)~\bf^{0}/_{00}\\=\rm32\times25~\bf^{0}/_{00}\\=800~\bf^{0}/_{00}[/tex]
[tex]\rm(8b.)~\frac{17}{20}\\=17\times(1.000\div 20)~\bf^{0}/_{00}\\=\rm17\times50~\bf^{0}/_{00}\\=850~\bf^{0}/_{00}[/tex]
[tex]\rm(8c.)~\frac{3}{10}\\=3\times(1.000\div 10)~\bf^{0}/_{00}\\=\rm3\times100~\bf^{0}/_{00}\\=300~\bf^{0}/_{00}[/tex]
[tex]\rm(8d.)~\frac{7}{8}\\=7\times(1.000\div 8)~\bf^{0}/_{00}\\=\rm7\times125~\bf^{0}/_{00}\\=875~\bf^{0}/_{00}[/tex]
[tex]\rm(8e.)~\frac{13}{16}\\=13\times(1.000\div 16)~\bf^{0}/_{00}\\=\rm13\times(\frac{1.000\div8}{16\div8})~\bf^{0}/_{00}\\=\rm13\times(125\div 2)~\bf^{0}/_{00}\\=\rm13\times(\frac{124+1}{2})~\bf^{0}/_{00}\\=\rm13\times(\frac{124}{2}+\frac{1}{2})~\bf^{0}/_{00}\\=\rm13\times(62+\frac{1}{2})~\bf^{0}/_{00}\\=\rm(13\times62)+(13\times\frac{1}{2})~\bf^{0}/_{00}\\=\rm806+\frac{13}{2}~\bf^{0}/_{00}\\=\rm806+\frac{12+1}{2}~\bf^{0}/_{00}\\=\rm806+\frac{12}{2}+\frac{1}{2}~\bf^{0}/_{00}[/tex]
[tex]=\rm 806+6+\frac{1}{2}~\bf^{0}/_{00}\\=\rm 812+\frac{1}{2}~\bf^{0}/_{00}\\=812\frac{1}{2}~\bf^{0}/_{00}[/tex]
(xcvi)
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