It took Jaytree 42 seconds to rip about half a DVD. About what is Jaytree’s “ripping rate” in DVDs per minute?

Question

It took Jaytree 42 seconds to rip about half a DVD. About what is Jaytree’s “ripping rate” in DVDs per minute?

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    2021-10-04T16:32:58+00:00

    You can solve this problem by using the following rule of three:
     42 s —-> 0.5 DVD
     x —-> 1 DVD
     Clearing x:
     x = (1 / 0.5) * (42)
     x = 84 s (time to complete a DVD)
     Then, we have the following conversion:
     1min = 60s
     So:
     x = (84/60)
     x = 1.4 min
     The rate is then:
     rate = 1 / 1.4 = 0.71 DVD / minute
     Answer:
     Jaytree’s “ripping rate” in DVDs per minute is
     0.71 DVD / minute

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