Machine H harvests 40 acres in 8 hours.
So, in 1 hour it will harvest 40/8 = 5 acres
Together H and K will harvest 60/5 = 12 acres
So, in 1 hour K will harvest 12-5 = 7 acres
GMAT Prep2?? (Harvesting)
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Source: Beat The GMAT — Problem Solving |












