samus2007 samus2007

14-08-2019
Mathematics

contestada

Write a variable expression for the cost of b books

Respuesta :

Cricetus Cricetus

19-08-2019

Answer:

y=cd

Step-by-step explanation:

Here y is the total cost of books. c is the cost of one book, and d is the number of books.

Here y is the dependent variable and d is the independent variable. For every changes in d , there is some changes observed in y.

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