nhyiraampadu62 nhyiraampadu62

05-07-2021
Mathematics

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it takes 5 girls to use 8 days to clean up a room. find the number of days that will be used by. 15 girls. 10 girls. 20 girls

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hieu0002004 hieu0002004

05-07-2021

15 girls take 8/3 = 2.7 days
10 girls take 8/2 = 4 days
20 girls take 8/4 = 2 days

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