Mathematics, 07.05.2020 05:09 Dweath50
Mathew usually makes the 100 km journey to visit his family. The trip involves three separate stages:
a) A stage of 20 km that is travelled on small roads at a constant speed of 30 km/h.
b) A stage of 50 km that is travelled on the highway at a constant speed of 100 km/h.
c) A stage of 30 km that is travelled on standard roads at a constant speed of 40 km/h.
1- How long does it normally take Paul to make this journey? Last week there were roadworks on a section of the highway, and Paul was only able to travel at 60 km/h for the length of the roadworks. Paul’s journey last week took 6 minutes longer than usual.
2- What was the length of the section of roadworks?
Answers: 1
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Mathew usually makes the 100 km journey to visit his family. The trip involves three separate stages...
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