Mathematics, 10.12.2021 22:30 libertycooper

A police car leaves a crime scene heading east directly towards the hospital at 72 kilometres per hour. An ambulance leaves a quarter of an hour later and also heads directly east towards the hospital at 81 kilometres per hour. How long will it take for the ambulance to pass the police car?

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A police car leaves a crime scene heading east directly towards the hospital at 72 kilometres per ho...