Answer:
148
Explanation:
The total yield was ...
64,100 +8,120 = 72,220 bushels
The average yield was ...
(72,200 bu)/(488 ac) = 148 bu/ac
Your yield per acre is 148 bushels.
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Comment on corn yield
Average corn yield in the US in 2018 was 176.4 bushels per acre. The highest was 270 bu/ac in a southeastern Washington county.