Math

In a class of 40 students,the number of students who study history is 10 more than those who study French,if 8 students study both subject,then how many study French and how many study history ?

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  1. H = the number of the number of who study history

    F = the number of the number of who study French

    If 8 students study both subject and the class has 40 students then:

    40 - 8 = 32 students who study French, or History.

    F + H = 32

    The number of students who study history is 10 more than those who study French means:

    H = F + 10

    Replace thin in equation:

    F + H = 32

    F + F + 10 = 32

    2 F + 10 = 32

    2 F = 32 - 10 = 22

    F = 22 / 2

    F = 11

    H = F + 10

    H = 11 + 10 = 21

    11 students study French

    21 students study History

    8 students study both subject

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  2. Nice, this answer is accurate according to my workout. Thank you dear

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