The number of the increase in chicken after 9 years is 150 * 9 = <<150*9=1350>>1350.

So the total number of the chicken in Michael's farm will be 550 + 1350 = <<550+1350=1900>>1900.

# Answer

1900
Question:
Michael has a chicken farm. His chickens increase in number by 150 chickens annually. If the number of chickens on his farm now is 550, how many will he have after 9 years?
Answer:
Let's think step by step.

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1900
Michael has a chicken farm. His chickens increase in number by 150 chickens annually. If the number of chickens on his farm now is 550, how many will he have after 9 years?
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