tlng bantu soal no 21 n 22,dgn jln nya ya,thx

*Soal no. 21:

8.25.+ 25 + 10 = 9.00
15.00 - 09.00= 6 jam

6 x 60km/jam = 360 Km

Soal no. 22 :

60 detik/30 detik= 2
2 x 2 liter = 4 liter/menit

6 x 4 liter/menit = 24 liter