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The price of 3 chairs and 2 tables is 4500 rupees and price of 5 chairs and 3 tables is 7000 rupees, then find the price of 3 chairs and 5 tables. * |
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Answer» -step explanation:let chair = x table = y by question, 3x+2y =4500--------(1) 5x+3y=7000----------(2) EQ. (1) multiply by 3 and eq. (2) multiply by 2 9x+6y=27000 10x+6y=14000 subtracting the TERMS 9x+6y-10x-6y = 27000 - 14000 -x = 13000 x = - 13000puri the values of x in (1) eq. 3x+2y = 4500 3(- 13000) + 2y = 4500 - 39000 + 2y = 4500 2y = 4500 + 39000 2y = 43500 y = 43500/2 y = 21750 3 chairs = 3 x = 3(-13000) = -39000 5 tables = 5y = 5(21750) = 108750 |
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