Selecting Machine Speeds -- Example 2-13
{"Image DocumentName": "Selecting Machine Speeds -- Example 2-13", "Image ImageDescription": "Facts of the problem (p.55) (figures in US ) Planing lumber increases its worth by  0.10/board-foot. A planing machine can operate at two speeds, called 5000 and At speed Blades need sharpening every 2 hours board-feet/hour produced (planed) At speed Blades need sharpening every 1.5 hours board-feet/hour produced (planed) Sharpening and/or Changing Blades. Shut down machine, 15 minutes. Cost of sharpening,  10. Blades may be sharpened up to 10 times. New blades cost  50. Question: If machine operates all day, which speed is best?", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}