Master shoemaker has three apprentices. First, do one pair of boots for two days, second for one day, and third for 1.5 days. How long would it take to make a couple of boots if they worked together?

Correct answer:

x =  11.0769 h

Step-by-step explanation:

(1/2+1/1+1/1.5)(x/24)=1  (1/2+1/1+1/1.5) (x/24)=1  2.166667x=24  x=2.1666666724=11.07692308  x=1314411.076923=13144 h=11.0769 h

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