The poster shows a carnation sale at a flower shop. Riordan needs to get at least 11 carnations for a party. What is the smallest amount of money he will have to pay?
Number of carnations in a set
= 2 + 1
= 3
Number of sets in 11 carnations
= 11 ÷ 3
= 3 r 2
Number of sets needed
= 3 + 1
= 4
Smalllest amount that he will have to pay
= 4 x 1.10
= $4.40
Answer(s): $4.40
