kliz83pdxwr9 kliz83pdxwr9

24-08-2018
Mathematics

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A restaurant has 60 plates.One night, 9 groups of 6 people ate dinner at the restaurant at the same time.How many plates were not used by these dinners

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Lucky1129 Lucky1129

24-08-2018

6 plates were not used

9*6=54
60-54=6

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boomsnapemily boomsnapemily

24-08-2018

there were 6 plates not used at dinner

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