jessica750 jessica750

28-10-2018
Mathematics

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every fourth visitor to a museum gets a free bumper sticker every tenth visitor gets a free keychain which visitor each day will be the first to get both the bumper sticker and the keychain

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wegnerkolmp2741o wegnerkolmp2741o

28-10-2018

factors:

4=2*2

10 = 2*5

Least common multiple: 2*2*5 = 20

The 20th visitor will get a keychain and a bumpersticker

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