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Grant is a member of a book club. He pays a $10 yearly membership fee and can purchase books through the club for $2.75 each. His total annual cost is a function of the number of books, b, that he purchases in a year: C(b) = 2.75b + 10   What is the total cost if he purchases 13 books in a year?

Respuesta :

$45.75 because you take the 2.75 and times it by how may books which is 13 and you get $35.75 then you add your $10 and it will give you $45.75

As per linear equation, the total cost if Grant purchases 13 books in a year is $45.75.

What is a linear equation?

A linear equation represents an equation that has one or multiple variables with the highest power of the variable is 1.

Given equation is:

C(b) = 2.75b + 10

b = the number of books Grant purchases from the club.

Given, b = 13.

Therefore, total cost of Grant is

C(13)

= $(2.75 × 13 + 10)

= $45.75

Learn more about a linear equation here: https://brainly.com/question/11866919

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