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23 November, 10:21

A ratio to men and women at a lecture is 2 to 5. A total of 63 people are at the lecture. How many are men?

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  1. 23 November, 12:45
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    Number of en at the lecture = 18

    Step-by-step explanation:

    Let the men at lecture be 2x

    And women at lecture be 5x.

    Remember ratio of men and women is 2 to 5.

    Total number of people at the lecture = 63

    i. e 2x + 5x = 63

    or 7x = 63

    or x = 63 / 7

    or x = 9

    Hence, Men at the lecture = 2x = 2*9 = 18

    And women at the lecture = 5x = 5*9 = 45
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