Colin was able to make 33.75 ounces of bubble bath .
It is given that Colin fills 4.5 ounce per bottles .
We apply division because we need to find the cost of one item given the cost of many items. If you need to find the cost of many items from the cost of one item, apply the multiplication operation.
Using unitary method , we get
1 bottles have = 4.5 ounces
7.5 bottles will have = [tex]7.5\times 4.5=33.75[/tex] ounces
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