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Summer Clouds moderators

07/11/2017 at 11:09
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An artist draws 20 pictures, one after the other, in 240 minutes. If she draws 3 times as fast, how many pictures will the artist draw in 6 hours?
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    Lê Quốc Trần Anh Coordinator 07/11/2017 at 16:37

    She draws a picture in: \(240:20=12\left(minutes\right)\)

    If she draws three times as fast then she draws a picture in: \(12:3=4\left(minutes\right)\)

    Convert: 6 hours = 360 minutes

    So the number of pictures she draw is: \(360:4=90\left(pictures\right)\)

    ANSWER: 90 pictures

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    Summer Clouds 09/11/2017 at 21:23

    She draws a picture in: 240 : 20 = 12(minutes)240 : 20 = 12(minutes)

    If she draws three times as fast then she draws a picture in: 12 : 3 = 4(minutes)12 : 3 = 4(minutes)

    Convert: 6 hours = 360 minutes

    So the number of pictures she draw is: 360 : 4 = 90(pictures)360 : 4 = 90(pictures)

    Answer: 90 pictures



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