Question

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

Answer:

50-3+=53 answer is this is very easy q....

Answer 2

Answer:

140

Step-by-step explanation:

1 notebook----10

1 book----------3×10=30

Cost of 3 books= 30×3=90

Costs of 5 notebooks=5×10=50

Total cost= 90+50=140