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the length of ribbon left over?3 The school librarian has $100 to spend on some books for the school. Hewants to order many copies of the same book so an entire classroom canread the book. Each copy costs $3.95. Shipping for the books will be $6.95.a) How many copies can the librarian order?b) Describe how you can use estimation to decide whether your answer topart a) is reasonable.

Answer :

a) Cost a book: $3.95

Cost of shipping: $6.95

Then, first we subtract the shipping cost

[tex]100-6.95=93.05[/tex]

This is $93.05 and we divide by the cost of each book

[tex]\frac{93.05}{3.95}=23.56[/tex]

This is 23 books

Answer: 23

b) Answer: First you will subtract $6.95 and you will get 93.05

Then you will divide 93.05 by 3.95 and get 23.

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