Harvesters

The first harvester reaps the grain from the land for 24 hours, and the second harvester for 16 hours. How many hours will it take to harvest by two harvesters, but the second harvester started working four hours later than the first?

Final Answer:

t =  12 h

Step-by-step explanation:

24t+16t4=1  t/24+(t4)/16=1  5t=60  t=560=12  t=12=12 h



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