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18 May, 02:21

For every 15 minutes of a show, there are two minutes of commercials. At this rate, if Leila has seen 45 minutes of a show, how many minutes has she been watching TV altogether

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  1. 18 May, 05:22
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    51 minutes

    Step-by-step explanation:

    We have the ratio ...

    show minutes : commercial minutes = 15 : 2

    Multiplying by 3 gives ...

    show minutes : commercial minutes = 45 : 6

    The total of show minutes and commercial minutes is 45+6 = 51 minutes.
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