math

There are 3 speedboats travelling down a straight river that runs North - South between two bridges which are 325 miles apart. The red speedboat starts at the North bridge and travels South at a spped of 150mph. The blue speedboat starts at the South bridge and travels north at a speed 126mph. The green speedboat starts at Schmidt's Landing which is 20 miles north of the south bridge. The green speedboat travels at a speed of 50mph.

Draw a digram showing the starting points of each boat.
Find the speed in miles per minute of each boat. Red Blue Green

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