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26 December, 09:58

A survey of 2500 subscribers to a certain news paper revealed that 2250 people subscribe to the daily morning edition and 1250 subscribe to both the daily and the sunday editions. how many subscribe to the Sunday edition? how many subscribe to the Sunday edition only?

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  1. 26 December, 13:36
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    1500 people subscribed Sunday edition and 250 people subscribed only sunday edition.

    Solution:

    Given, A survey of 2500 subscribers to a certain news paper revealed that 2250 people subscribe to the daily morning edition

    And 1250 subscribe to both the daily and the sunday editions.

    We have to find how many subscribe to the Sunday edition? how many subscribe to the Sunday edition only?

    Let x denote the number who subscribe to the Sunday edition.

    Then the addition rule with overlap tells us that

    Those who subscribe daily edition + those who subscribe sunday edition - those who subscribe both daily and sunday edition = total subscribers in survey

    2250 + x - 1250 = 2500

    1000 + x = 2500

    x = 1500

    so, 1500 subscribe to the Sunday edition and 1500 - 1250 = 250 subscribe to the Sunday edition only.

    Hence, 1500 people subscribed Sunday edition and 250 people subscribed only sunday edition.
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