- A; the 100
- B; the 6
- C; none
- D; the 6
Step-by-Step Solution
Per-book cost is ; fixed membership is 100, so total = . The ₹100 is constant.
Answer: A) ; the 100
A library charges a fixed ₹100 membership plus ₹6 for each book borrowed.
If a student borrows b books, write an expression for the total charge,
and then state which constant stays the same no matter how many books are borrowed.
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