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20 September, 00:01

Greta has watched 30 minutes of a movie. This is 20%

of the entire movie. How long is the movie?

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  1. 20 September, 01:43
    0
    The answer is 180 minutes. because you multiply 30 times 0.20 and you get 6. Then you multiply 6 times 30 and get 180 minutes. And 180 minutes in hours is 3 hours.
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