The ratio of the cost of the 100 pages notebook and a 200 pages notebook is 4.7. If the cost of the 200 pages notebook is Rs. 9 more than the cost of the 100 pages notebook, then find the cost of a 100 pages and a 200 pages notebook together will be? (1) Rs. 45
(2) Rs. 12
(3) Rs. 21
(4) Rs. 33
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