题目信息
At a certain carpet factory, if carpeting is moving continuously through a dryer at a constant rate of 21,600 square feet per hour, how many seconds does it take for an area of 1 square foot of carpeting to move through the dryer?
A:$$\frac{1}{6}$$
B:$$\frac{1}{3}$$
C:6
D:36
E:60
参考答案及共享解析

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已选答案:
正确答案:
A:$$\frac{1}{6}$$
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