The poster shows a peony sale at a kiosk. George needs to get at least 20 peonies for a party. What is the smallest amount of money he will have to pay?
Number of peonies in a set
= 2 + 1
= 3
Number of sets in 20 peonies
= 20 ÷ 3
= 6 r 2
Number of sets needed
= 6 + 1
= 7
Smalllest amount that he will have to pay
= 7 x 1.50
= $10.50
Answer(s): $10.50