Respuesta :
19.32 - 15.89 you do this because you need to find the amount of the 7 post cards. then after you get your answer of 3.43, divide it by 7. the equation is (19.32-15.89)/7
Answer:
3.43
Step-by-step explanation:
7 cards + 15.89 = 19.32
19.32-15.89=3.43