答案:E
解析:
Each rose brings a profit of 1.00 dollar minus 0.50 dollar, or 0.50 dollar. The number of roses that need to be sold to make a profit of 300 dollars is 300 dollars divided by 0.50 dollar. This is 600 roses.
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答案:E
解析:
Each rose brings a profit of 1.00 dollar minus 0.50 dollar, or 0.50 dollar. The number of roses that need to be sold to make a profit of 300 dollars is 300 dollars divided by 0.50 dollar. This is 600 roses.