A farmer can reap a field in 10 days while while his wife can do it in 8 days. If they work together, in how much time can theyreap the field
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Answer:
4.5 days
Step-by-step explanation:
Together they do (8+10)/(10*8) = 18/80 or 9/40th of the work. So the two together will harvest the field in 40/9 days or 4 and 4/9th of a day, that is less than 4.5 days
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