Suppose a schooner leaves a port at 12:00 noon travelling at 10 km/h due east. Five hours later, a ferry leaves the same port travelling --
at 20 km/h due noth. At what time of day will the two boats be 100 km apart ?
This is a math question i'm suppose to find with the velocity and time but I don't nesssarily understand what or how I'm suppose to set the question up or solve please help , someone whose good at math !