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30 : 12
dibagi 6
5:2 ( jawabannya
ayam betina = 30 ekor
ayam jantan = 12 ekor
seluruhnya = 42 ekor
30 : 42 = 5 : 7
7 ) 120 km = 12.000.000 cm
jarak peta = jarak sebernenya : skala
= 120.000.000: 500.000= 24 cm
8) 25 km = 2.500.000 cm
skala = jarak sebenarnya : jarak peta
= 2.500.000: 5 = 500.000 = 1: 500.000
9) 100 km = 10.000.000 cm
jarak peta = jarak sebenarnya : skala
= 10.000.000: 1.500.000= 6,6 cm
10) 600 m = 60.000 cm
skala = jarak sebenarnya : jarak peta
= 60.000 : 3 = 20.000 = 1:20.000