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

Respuesta :

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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