Middle School

Beatrice has 15 glasses and 20 mugs. She would like to set them out in identical groups, with none left over. What is the greatest number of groups Beatrice can set out?

Answer :

find the greatest common factor

factor each
15=3*5
20=2*2*5

common factor is 5

15/5=3
20/5=4


greatest number of groups is 5 groups
each group will have 3 glasses and 4 mugs

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