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21 November, 01:30

five less than a number is at least 40. write and solve an inequality to find the minimum value of the number

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  1. 21 November, 01:55
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    45

    Step-by-step explanation:

    5 less than your number is at least 40. Let the number be x. So rephrasing the statement, 5 less than x is greater than or equals 40.

    x-5 ≥ 40

    x-5 + 5 ≥ 40+5 (adding 5 to both sides to single out the x in LHS)

    ∴x ≥ 45

    In other words, x is at least 45.

    Therefore, the minimum value of x is 45.
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