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20 May, 08:46

A certain library assesses fines for overdue books as follows. On the first day that a book is overdue, the total fine is $0.10. For each additional day that the book is overdue, the total fine is either increased by $0.30 or doubled, whichever results in the lesser amount. What is the total fine for a book on the fourth day it is overdue? A. $0.60

B. $0.70

C. $0.80

D. $0.90

E. $1.00

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  1. 20 May, 12:03
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    Answer: D. $0.90

    Explanation:

    Day 1 = $0.10

    Day 2 = $0.10 + double the last fine which is $0.20 = $0.30

    Day 3 = $0.30 + $0.30 = $0.60

    Day 5 = $0.60 + $0.30 = $0.90
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