GRE Exam Dumps : GRE General Test

To help the reader understand the actions of and the decisions made by people of another time, the historian's narrative must be_________what they knew; the narrative should not refer to anything not known until later.

If the ratio of positive integer x to positive integer y is 4 to 3, then x + y must be a multiple of integer k. where k > I. What is the value of k ?

A certain company made neither a profit nor a loss on the first 1.000 widgets it sold and made a profit of $0.50 on each widget it sold after the first 1.000. If the company's total profit from the sale of widgets was p dollars, what is the number of widgets it sold in terms of p ?

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