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18 December, 12:57

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 4 rows of the same length, he has 5 chairs left over. If he arranges the chairs in 2 rows of that same length, he has 17 left over. How many chairs does Liam have?

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  1. 18 December, 15:14
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    If x is the number of chairs in a row

    4x + 5 = 2x + 17

    2x = 12

    x=6

    There are 6 chairs in each row. Now you have to find the total

    4x+5 = 4 (6) + 5 = 29

    And now double check

    2 (x) + 17 = 2 (6) + 17 = 29

    Liam has 29 Chairs
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