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sean buys 7 postcards to send to his friends. He also buys a t-shirt for $15.89 to give to his best friend.He pays a total of $19.32.Write an equation to find how much each postcard costs.

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

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