71/2-20%berapa hasilnya

71/2 - 20%
= 71/2 - 20/100
= (71/2 × 50/50) - 20/100
= 3.550/100 - 20/100
= 3.530/100
= 35 30/100
= 35 3/10
= 35,3

[tex] \frac{71}{2} - \frac{20}{100} = \frac{3550 - 20}{100} = \frac{3530}{100} = 35 \frac{30}{100} = 35\frac{3}{10} atau \: 35.5[/tex]