Respuesta :

Lexi should buy 18 packages. While Lexi will have extra, she needs AT LEAST 105, so 18 packages makes sense for Lexi to buy, as 6 x 18 is 108.

We will use unitary method here.

Number of vases Lexi needs to buy =105

Number of vases in one package =6

So in order to find how many package she needs to buy , we divide number of vases by number of vases in one package.

Number of packages Lexi needs to buy =105/6 = 17.5

Rounding off 17.5 we have 18.

Answer: Lexi needs to buy 18 packages.