Posted by **Jim** on Sunday, September 5, 2010 at 9:34pm.

A farmer planted a field of BT 124 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre and determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90,000 kernels on average. What is the farmer’s estimate of yield in bushels/acre?

I tried this but i'm not sure of my answer

1 acre = 22 ears

1 ear = 700 kernels

Therefore, 22 ears = 700 kernels * 22 = 15400kernels

1 Bushel = 90,000 kernels

Therefore, 15400 kernels = 90,000/15400 = 0.17 bushel/acre

- Math -
**Ms. Sue**, Sunday, September 5, 2010 at 9:41pm
If he gets less than 1/4 bushel per acre, he'd better give up farming and find a new profession.

22 * 1000 = 22,000 ears per acre

22,000 * 700 = 15,400,000 kernels

15,400,000 / 90,000 =

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS308&q=15%2C400%2C000+%2F+90%2C000+&aq=f&aqi=h1&aql=&oq=&gs_rfai=Cb4zaoUaETM3lKo7EM4SYqbgGAAAAqgQFT9ByqaU

- Math -
**Reiny**, Sunday, September 5, 2010 at 9:44pm
.17 bushel/acre ?

Does that seem logical to you?

1 acre yields 20 000 ears

= 20 000*700 kernels

1 bushel = 90 000 kernels

number of bushels = 20 000*700/90 000

= 155.56 or appr. 156 bushels/acre

- Ms Sue is right - Math -
**Reiny**, Sunday, September 5, 2010 at 9:46pm
sorry, I read that as 20 ears, should have been 22

so go with Ms Sue's final calculation of

15,400,000 / 90,000 = appr. 171

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