Answer:
The greatest number of identical arrangements is 6 units of 9 roses and 7 tulips each.
Explanation:
Tulips represent the limiting quantity. In this case, the easiest and most effective approach is determining the ratio of roses to tulips to get how many roses must be left along with a minimum quantity of tulips in a unit. That is:
The greatest number of identical arrangements is 6 units of 9 roses and 7 tulips each.