Bruno is 3x years old and his son is x years old now. Their combined age is 40 years. How old is Bru

Discussion in 'Calculator Requests' started by math_celebrity, Dec 23, 2020.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    Bruno is 3x years old and his son is x years old now. Their combined age is 40 years. How old is Bruno

    Combined age means we add, so we have:
    3x + x = 40

    To solve this equation for x, we type it in our search engine and we get:
    x = 10

    This means Bruno is:
    3(10) = 30
     

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