3 years ago

Could you please help me I can't figure it out

Mathematics

1 answer:

Charra [1.4K]3 years ago

8 0

It’s not clear enough

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Part A) see the explanation

Part B) $C(12)=\$54$

Step-by-step explanation:

Part A)

we know that

A relationship between two variables, x, and C, represent a proportional variation if it can be expressed in the form $k=\frac{C}{x}$ or $C=kx$

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C ---> is the total cost (represent the output or dependent variable)

x ----> is the number of books (represent the input or independent variable)

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