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15 June, 17:55

Four times Joe's age plus 2 times Tim's ageequals 50. Tim's age is also 2 less than Joe's age. How old is Joe?

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  1. 15 June, 18:23
    0
    Joe is 9 years old

    Step-by-step explanation:

    We can start by creating two different equations, one for each fact that we know about their ages.

    Say that J is Joe's age

    Say that T is Tim's age

    Our first equation would then be:

    4J + 2T = 50

    J - 2 = T

    Now that we know that T is J - 2, we can plug that in to the first equation.

    4J + 2 (J - 2) = 50

    We can simplify this equation to solve for J

    4J + 2J - 4 = 50

    6J = 54

    J = 9

    Joe is 9 years old
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