A leading library charges c cents for the first week that a book is loaned and f cents for each day over one week. What is the cost for taking out a book for d days, where d is greater than 7 ?

1. A leading library charges c cents for the first week that a book is loaned and f cents for each day over one week. What is the cost for taking out a book for d days, where d is greater than 7 ?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. c+fd

2. cd

3. c+ f(d -7)

4. cd + f

Answer

Comments