Question 141 | Mathematics ENEM 2024 Yellow Test
4The population density of a region is defined as the ratio between the number of inhabitants of that region and its area, expressed in the unit inhabitants per square kilometer.
A region R is subdivided into several others, one of which is region Q. The area of Q is equal to three quarters of the area of R, and the number of inhabitants of Q is equal to half the number of inhabitants of R. The population densities corresponding to these regions are denoted by d(Q) and d(R).
The expression that relates d(Q) and d(R) is:
A) d(Q) = 1/4 d(R)
B) d(Q) = 1/2 d(R)
C) d(Q) = 3/4 d(R)
D) d(Q) = 3/2 d(R)
E) d(Q) = 2/3 d(R)
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
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