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10 March, 18:28

Cathy lives in a state where speeders fined $ 10 for each mile per hour over the s speed limit cathy was given a fine for $80for speeding on a road where the speed limit is 50 miles per hour how fast was cathy driving

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Answers (2)
  1. 10 March, 18:55
    0
    58 miles per hour

    Step-by-step explanation:

    First you need to divide 80 by 10 to see how many miles she was over the speed limit.

    80/10 = 8 miles over the speed limit.

    The speed limit was 50, so 50 + 8 = 58 miles.

    So Cathy was driving at 58 miles per hour
  2. 10 March, 22:11
    0
    58mph

    Step-by-step explanation:

    Given:

    Each mph over the speed limit gets fined $10

    or mathematically, rate of fine = $10/mph

    also, total fine was $80.

    Number of mph over the speed limit,

    = total fine : rate of fine

    = $80 : $10/mph

    = 8 mph.

    Given that the speed limit was 50 mph, Cathy's final speed,

    = speed limit + number of mph over speed limit

    = 50 + 8

    = 58 mph
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