Tolong dibantu kak Bsok mau dikumpul

7. 3/4 × 25 = 75/100 = 75%
= 75%+50% = 125%
1/2 × 50 = 50/100 = 50%
= 25% + 50% = 75%
8. 3/5 × 20 = 60/100 = 60%
= 40% + 60 % = 100%
5/10 × 10 = 50/100 = 0,5
= 0,7 + 0,5 = 1.2
9. 5/2 × 50 = 250/100 = 250%
= 250% + 70% = 320%
13/4 ×25 = 325/100 = 325%
= 325% + 25 % = 350%

maaf ya kalo salah!!!
no 10. males mikir