Using a scope of 5, determine how many feet of cable you should put out to anchor in 5 fathoms of water.
β’ Scope of an anchor cable (ratio of cable length to water depth) β’ Conversion between fathoms and feet β’ Including only the water depth (ignore boat height for this basic problem)
β’ First, convert the given water depth from fathoms to feet. What number do you get? β’ Scope of 5 means the cable length is 5 times what quantity? β’ After you multiply, which answer choice matches the total cable length in feet?
β’ Be sure you use 1 fathom = 6 feet when converting depth. β’ Confirm you multiplied the depth in feet by the scope (5:1). β’ Check that the final number you calculate matches exactly one of the choices given.
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