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5 September, 01:54

A student skipped a step when she tried to convert 18 hours into seconds, and she got the following incorrect result:

18 hours (60 seconds / 1 minute) = 1080 seconds

What conversion ratio did she skip in this multiple-step conversion?

A. 60 seconds / 1 minute

B. 1 minute / 60 seconds

C. 1 hour / 60 minutes

D. 60 minutes / 1 hour

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Answers (2)
  1. 5 September, 02:02
    0
    The conversion ratio that student skipped was:

    D. (60 minutes/1 hour)

    Step-by-step explanation:

    We have to convert 18 hours into seconds

    We know that there are 60 seconds in a minute and 60 minutes in an hour.

    So, 1 hour = 60*60 seconds

    18 hour = 18*60*60 seconds

    In the question student converted 1 minute into 60 seconds but forgot to convert 1 hour into 60 minutes

    Hence, the conversion ratio that student skipped was:

    D. (60 minutes/1 hour)
  2. 5 September, 04:54
    0
    "C" because there is no conversion from hour to minutes
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