The manager of a school bookstore has found four different companies from which she may order book bags. The algebraic rule shown for each company represent the cost of placing a book bag order, c, based on the number of book bags purchased, b. If Company D uses the rule c=15b-55, what will the cost be for 40 books?

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1

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step-by-step explanation: