Problema Solution

A glassblower can produce a set of simple glasses in about 2 hours. when the glassblower works with an apprentice, it takes them about 1.5 hours. how long would it take the apprentice alone to make a set of glasses ?

Answer provided by our tutors

let x = the time the apprentice needs to produce a set of simple glasses alone


1/2 + 1/x = 1/1.5


by solving the equation we find


x = 6 hours


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