The first one is 75% i think I dont know if thats the answer though hold on and I'll get you the others
1620/ 5 is =324
To check just multiply
5 * 324
Answer:
Hope the pictures will help you..
2. 225
4. 25/36
6. 0.001
8. 8-20=-12
10. 34-16=18
12. 15/5=3^3=27
14. ?? confused...
16. 8
18. 11.5+4=15.5
20. 3(225)+10=675+10=685