Answer
she has 27 roses, 28 tulips, 28 snapdragons and 31 daisies.
To find the possible number of bouquets she can make, she must keep in mind that the minimum number of roses is 18
So, she can have 18, 19 or 20 roses at max
This is a case of basic counting rule, but not basic multiplication rule because total number of ways of possible bouquets will be the sum of having 18 roses, 19 roses and 20 roses
18 roses + 2 other flowers
19 roses + 1 other flower
20 roses
so, she must add all the possible number of ways calculated from above three setps
option B is correct
Petra's Flower Shoppe receives an order for a bouquet containing a mix of 20 flowers, but containing at least 18 roses. On hand, she has 27 roses, 28 tulips, 28 snapdragons and 31daisies. In orde...