17 dan 18 tidak usah

19. 5 x 10kuintal = 50 kuintal = 5 ton (A)

20. 3 x 500= 1500lmbar, 1500-34 = 1466 lbr (C)

21. 0,95l = 950ml, cc =ml= cm3, 950-310-250 = 390ml (B)

22. lama perjlnan 1jam 40mnt = 5/3 jam, kcptn 54km/jam, jarak = 5/3 x 54 = 90km (C)

23. trapesium sama kaki (A)

24. kel = 12+8+8+7=35 (B)

25. kel = 2 x 22/7 x 49= 308(A)