A class collects $50 to buy flowers for a classmate who is in the hospital. Roses cost $3 each, and carnations cost $2 each. No other flowers are to be used. How many different bouquets could be purchased for exactly $50?_______
科目:高中数学 来源: 题型:
3 | x2 |
A、y=
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B、y=-
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C、y=
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D、y=-
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