Jawaban:
28) B. 80 km/jam
29) A. 30 liter/detik
30) D. 75 liter/menit
Penjelasan dengan langkah-langkah:
28) K = J : W
= 60 : 3/4
= 60 × 4/3
= 20 × 4
= 80 km/jam
29) D = V : W
= 60 : 2
= 30 liter/detik
30) D = 5 × 5 × 3
= 75 liter/menit
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Jawaban:
28) B. 80 km/jam
29) A. 30 liter/detik
30) D. 75 liter/menit
Penjelasan dengan langkah-langkah:
28) K = J : W
= 60 : 3/4
= 60 × 4/3
= 20 × 4
= 80 km/jam
29) D = V : W
= 60 : 2
= 30 liter/detik
30) D = 5 × 5 × 3
= 75 liter/menit