The poster shows a lily sale at a kiosk. Ken needs to get at least 19 lilies for a party. What is the smallest amount of money he will have to pay?
Number of lilies in a set
= 2 + 1
= 3
Number of sets in 19 lilies
= 19 ÷ 3
= 6 r 1
Number of sets needed
= 6 + 1
= 7
Smalllest amount that he will have to pay
= 7 x 3.10
= $21.70
Answer(s): $21.70
