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14 January, 00:18

lara's car needed a particular part that cost $75. the mechanic charges $50 per hour to install the part. if the total cost was $350, how many hours did it take to install the part?

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  1. 14 January, 01:55
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    If the $75 for the part is included in the $350 then it took 5.5 hours to install it
  2. 14 January, 03:51
    0
    Subtract $350-$75 (Which is the cost of the part), that will be $275, then divide $275 by $50 (amount requested per hour), and that is equal to 5.5

    So, it took 5.5 hours to install the part.
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