摘要：Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. A florist buys roses at 0.50 dollar a piece and sells them for 1.00 dollar a piece. If there are no other expenses,
Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
A florist buys roses at 0.50 dollar a piece and sells them for 1.00 dollar a piece. If there are no other expenses, how many roses must be sold in order to make a profit of 300 dollars?
(A) 100
(B) 150
(C) 200
(D) 300
(E) 600
正确答案：
The correct answer is E
Explanation
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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