B. 42 km
C. 84
Penjelasan dengan langkah-langkah:
• skala = 1 : 350.000
1 cm = 350.000 cm
1 cm = 3,5 km
12 cm = 12 x 3,5 km
= 42 km
• selisih = (5-2)/(2+5) x 196
= 3/7 x 196
= 84 orang
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B. 42 km
C. 84
Penjelasan dengan langkah-langkah:
• skala = 1 : 350.000
1 cm = 350.000 cm
1 cm = 3,5 km
12 cm = 12 x 3,5 km
= 42 km
• selisih = (5-2)/(2+5) x 196
= 3/7 x 196
= 84 orang