Mr. Cobb planted 4.5 acres of sweet corn. He planted 1/ /3 of the acreage, a week later he planted another 1/ /3 of the acreage, and a week later he planted the remaining acreage. He planted 28,000 kernels per acre with an average population of 25,000 plants per acre. He had 76 percent of the corn plants with marketable ears of corn selling at $3.25 per dozen.

a. What is the germination of the corn?
b. How many marketable ears of corn were produced from the first
planting?
c. What was the income for the year after a 15 percent loss from
unsold corn?


a. 89%
b. 28,500 ears
c. $19,682.81

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