Harvester calculation time

During the harvest, farmers had three combine harvesters available, with which they could harvest the fields in 9 hours. How long will it take if two additional harvesters arrive from a neighbouring farm to help?

Final Answer:

t =  5.4 h

Step-by-step explanation:

3 9=(3+2) t  5t=27  t=527=5.4  t=527=5.4=5.4 h



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