Answer 47th question."PLEASE DON'T SEND STHE SIMILAR QUERIES.KINDLY PERFORM THE STEP BY STEP AND APPROPRIATE ANSWER". Share with your friends Share 0 Varun Rawat answered this Let the cost of 1 table = Rs xLet the cost of 1 chair = Rs yCASE 1 :Cost of 5 tables = Rs 5xCost of 11 chairs = Rs 11yNow, 5x + 11y = 790 .....1CASE 2 :Cost of 13 tables = Rs 13xCost of 8 chairs = Rs 8yNow, 13x + 8y = 1230 ....2Multiply 1 by 13 and 2 by 5, we get65x + 143y = 10270 .....365x + 40y = 6150 .....4Subtracting 4 from 3, we get143y - 40y = 10270 - 6150⇒103y = 4120⇒y = 40Put the value of y in 1, we get5x + 11 × 40 = 790⇒5x + 440 = 790⇒5x = 350⇒x = 70 cost of 1 table = Rs 70 cost of 1 chair = Rs 40 1 View Full Answer
