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8 March, 01:11

a rental car cost $20 per day, and a room cost $50 per day, for how many days can a room and car be rented, so that the total cost does not exceed $350

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Answers (2)
  1. 8 March, 01:33
    0
    Step-by-step explanation:

    let number of days = x

    (20+50) x≤350

    70 x≤350

    x≤350/70

    or x≤5

    He can rent both at the most 5 days.
  2. 8 March, 01:34
    0
    5

    Step-by-step explanation:

    The total cost per day is $20 + 50 = $70. Then the number of days that expenditure can be made on a budget of $350 is ...

    $350 / ($70/day) = 5 days
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