Answer:
4 1/2 or 4.5 days
Explanation:
If 2 1/3 acres of corn can be harvested in 1 day, then 10 1/2 acres can be harvested in (10 1/2)/(2 1/3)
(10 1/2)/(2 1/3)
= (21/2)/(7/3)
= 63/14
= 56/14 + 7/14
= 4 + 1/2
= 4 1/2 or 4.5 days
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