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Verified answer
A. 40 km = 1 jamb. 80 km = 2 jam
c. 120 km = 3 jam
a. 40 km / 1 jam
= 40 km/jam
b. 80 km / 2 jam ------ masing-masing dibagi 2
= 40 km/jam
c. 120 km / 3 jam ------ masing-masing dibagi 3
= 40 km/jam
Jadi kesimpulannya Andi berkendara dengan kecepatan 40 km/jam