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Kobotan [32]
4 years ago
12

Help how you solve this

Mathematics
1 answer:
Anettt [7]4 years ago
8 0
Just add up how much Luna practiced which is 20+30+20 to get 70 and then add another 30 to get 100. So Elsa practiced for 100 minutes or 1hour 40 minutes.
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                     ----------------------- = ------------- = ---------
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