Question

2.
Brain, Rennie and their dog start walking down a road in the same direction. They start at
the same point and at the same time. Brain walks at 12 km/hr. While Rennie walks at the
speed of 10 km/hr. Their dog runs from Brain to Rennie and back again with a constant
speed of 15 km/h. How for does the dog travel in 1 hour.​

Answer 1

Answer:

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Answer 2

Answer:

15 km

Step-by-step explanation:

Given: 15km/hour

So in one hour the dog covers 15 km.