hellotherejij hellotherejij

15-12-2017
Mathematics

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Three friends bought 4, 6, and 8 books. The table shows the cost of the books. Number of Books 4 6 8 Cost ($) 30 45 60 What is the constant of proportionality?

Respuesta :

foxyprincess92 foxyprincess92

16-12-2017

each book is 7.5$
7.5 is the constant

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bryanf36 bryanf36

18-10-2021

Answer:

7.5

Step-by-step explanation: im 100% right

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