单项选择题

The length of a rectangular kitchen floor is 3 feet more than its width. If the length of the floor is 12 feet, what is the area of the floor in square feet

(A) 9
(B) 15
(C) 42
(D) 108
(E) 144

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单项选择题

Directions for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B, Compare the two quantities and choose one of the following answer choices:（）

A．if the quantity in Column A is greater
B．if the quantity in column B is greater
C．if the two quantities are equal
D．if you cannot determine the relationship based on the given information

单项选择题

According to the graphs, which of the following is the best estimate of the total number of employees in 1990（）

A．75,000
B．62,000
C．57,000
D．50,000
E．48,000