Home » GMAT » X percents of the rooms are suits, and Y Percents of the rooms are painted light blue?
X percents of the rooms are suits, and Y Percents of the rooms are painted light blue? Which of the following best represents the least Percentage of the light blue painted suits?
A. X-Y.
B. Y-X + 100.
C. 100X-Y.
D. X+Y-100.
E. 100-XY.
Correct Answer: D
Explanation/Reference:
Explanation:
D shows us the difference between the sum of the percentages and 100 percent. If X+Y>100, this percent must be subtracted from the sum X+Y in order to get 100 percent. Sum of sets minus the total equals the congruence. The correct answer is D.
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