The poster shows a daisy sale at a kiosk. Pierre needs to get at least 15 daisies for a party. What is the smallest amount of money he will have to pay?
Number of daisies in a set
= 3 + 1
= 4
Number of sets in 15 daisies
= 15 ÷ 4
= 3 r 3
Number of sets needed
= 3 + 1
= 4
Smalllest amount that he will have to pay
= 4 x 2.30
= $9.20
Answer(s): $9.20