Mr. Salazar had 7 x 12 = <<7*12=84>>84 oranges.

He reserved 84 x 1/4 = <<84*1/4=21>>21 oranges for his friend.

Ha had 84 - 21 = <<84-21=63>>63 oranges to be sold yesterday.

But only 63 x 3/7 = <<63*3/7=27>>27 oranges were sold yesterday.

So, he had 63 - 27 = <<63-27=36>>36 oranges left.

Since four oranges are rotten, then only 36 - 4 = <<36-4=32>>32 oranges are left to be sold today.

# Answer

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<|im_start|>system
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<|im_start|>user
Mr. Salazar had seven dozen oranges. He reserved 1/4 of it for his friend and was able to sell 3/7 of the remaining yesterday. Today, he saw four rotten oranges. How many oranges are left to be sold today?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
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Mr. Salazar had seven dozen oranges. He reserved 1/4 of it for his friend and was able to sell 3/7 of the remaining yesterday. Today, he saw four rotten oranges. How many oranges are left to be sold today?
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