a crew workers paved 2/15 mile in 20 minutes. if they work at the same rate what portion of a mile will they pave in one hour?
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If the 2 given points are endpoints, then we're in business. The formula for the midpoint is 
. If the endpoints of our segment are the coordinates (1,2) and (12,14), our formula would be filled in as follows: 
which simplifies to (13/2, 8). See? It's pretty simple once you know how to do it.