Question 1143712
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<U>SOLUTION</U>.  Dan makes 60/2 = 30 charms per hour.

           At this rate, he needs  {{{140/30}}} = {{{4}}}{{{2/3}}} hours = 4 hours and 40 minutes to make 140 charms.     <U>ANSWER</U>


P.S.  The info related to Carvil is IRRELEVANT.
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