Jennifer brought some tulips, lilies, and roses to make bouquets. She bought the same number of lilies as tulips and bought three more roses than lilies and tulips combined. Lilies were 18 cents per flower, tulips were 27 cents per flower, and roses are 55 cents per flower. Find the total cost of Jennifer's flowers if she bought 20 flowers in total.
a) $15.60
b) $18.90
c) $22.40
d) $25.70
