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8(15) = 5(x + 5)
120 = 5x + 25
5x = 95
x = 19
B. Jarak sebenarnya = jarak peta : skala
= 5,5 x 20.000.000
= 110000000 cm
= 1100 km
5 (x+5) = 15 × 8
5x + 25 = 120
5x = 120 - 25
5x = 95
x = 95 : 5
x = 19
B. jarak pada peta >> 5,5 cm
skala >> 1 : 20.000.000
jarak sebenarnya = skala × jarak pada peta
= 20.000.000 × 5,5
= 110.000.000 cm
= 1100 km
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