tolong besok di kumpulkan

3. a. 25% = 25/100 : 5 = 5/20 (pecahan biasa)
= 25/100 = 0, 25 (desimal)
b. 70% = 70/100 : 10 = 7/10
= 70/100 = 0,7
c. 48% = 48/100 : 4 = 12/25
= 48/100 = 0,48
d. 12.5% = 12.5/100 : 5 = 2.5/20
= 12.5/100 = 0.125
e. 87.5% = 87.5/100 : 5 = 17.5/20
= 87.5/100 = 0.875
4.20/100 × 4000,00 = 800,00
45/100 × 20.000,00 = 9000,00
75/100 × 60 = 45
5.40%
70%

maaf kalo salah