Question

1. A note-book costs 10 and a book costs thrice the note-book. Find the total cost of 3 books and 5 note-books.
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Answer 1

Answer:

Rs. 140

Step-by-step explanation:

N costs Rs 10

B costs thrice = 10 x 3 = Rs 30

Cost of 3B = 3 x 30 = 90

Cost of 5N = 5 x 10 = 50

The total cost of 3B and 5N is 90 + 50 = Rs 140

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