cost of 7 chairs= 840
cost of 1 chair=840/7
= 120
cost of 9 chairs =120×9
= 1080
cost of 12 chairs= 120×12
= 1440
Cost of 7 chairs = Rs. 840
cost of one chair =
= Rs 120
Cost of 9 chairs = 120 × 9 = Rs. 1080
cost of 12 chairs = 120 × 12 = Rs. 1440
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Answers & Comments
cost of 7 chairs= 840
cost of 1 chair=840/7
= 120
cost of 9 chairs =120×9
= 1080
cost of 12 chairs= 120×12
= 1440
Cost of 7 chairs = Rs. 840
cost of one chair =
= Rs 120
Cost of 9 chairs = 120 × 9 = Rs. 1080
cost of 12 chairs = 120 × 12 = Rs. 1440