Workshops

The first workshop will complete the robot itself in 15 days, and the second workshop in 10 days. They started together, but only the second workshop worked after three days. Thus, the work will take 15 days.

Final Answer:

t =  8 h

Step-by-step explanation:

3 (151+101)+(t3)/10=1  3 (1/15+1/10)+(t3)/10=1  3t=24  t=324=8  t=8=8 h



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