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The number of consumers who rated phone X as their prefer

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The number of consumers who rated phone X as their prefer [#permalink] New post   02 Apr 2024, 00:09
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The number of consumers who rated phone X as their preferred phone was how much greater than the number of consumers who rated phone Y as their preferred phone?

A. 160

B. 180

C. 220

D. 340

E. 360
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Re: The number of consumers who rated phone X as their prefer [#permalink] New post   18 May 2024, 05:36
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Look at Diagram 1. In two of the sectors phone X was rated as the preferred phone. The sum of these percentages is 15.3% + 18.7% = 34%. 34% of 1,000 is 340. In two of the sectors, phone Y was rated as the preferred phone. The sum of these percentages is 9.8% + 6.2% = 16%. 16% of 1,000 is 160. 340 − 160 = 180.
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