Question

if 15 chairs and 12 tables cost Rs.33600 and the cost of the two chairs isRs.640 find the cost of 12 chairs and 3 tables?

Answer 1

Hope it will help you
Mark as brainleist answer

Answer 2

if cost of 2 chairs = 640
then cost of 1 chair = 640/2 = 320
cost of 15 chairs = 320 * 15 = 4800
so cost of 12tables = 33600 - 4800 = 28800
cost of 1 tables = 28800/12 = 2216.6
cost of 3 tables = 6649.8
cost of 12chairs = 3840
so total cost = 10489.8