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
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