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15 September, 00:04

A party rental company has chairs and tables for rent. The total cost to rent

3 chairs and 5 tables is $ 57. The total cost to rent 12 chairs and 2 tables is $39. What is the cost to rent each chair and each table?

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  1. 15 September, 02:15
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    12c+2t=39 ... (1)

    3c+5t=57 ... (2)

    Multiply the second equation - 4

    12c+2t=39

    -12c-20t=-228

    ...

    -18t=-189

    Solve for t

    t=189/18

    t=10.5. Plug in the first equation

    ...

    12c+2 (10.5) = 39

    Solve for c

    C=1.5
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