4. A motor boat can travel 20 km in one hour. how much time will they take to go 180 km
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Answer:
9 hour
Step-by-step explanation:
Time taken to travel 20 km = 1 hour
Time required to travel 1 km = 1/20 hour
Time required to travel 180 km = 1/20 x 180
= 9 hour.
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