A robber is in a fast car, hurrying away from the scene of his crime. His car can go at 150 km/h. He will be safe if he can reach the border, 40km away. A police car arrives at the scene of the crime. The police are late! The robber has already travelled 10 km towards the border. The police car set off in hot pursuit. Question: calculate how long it will take the robber to reach the border. Question 2: How fast must the police car travel if it is to catch the robber before he reaches the border ?

If someone do I will make her or him brainliest.