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The price of 10 chairs is equal to that of 4 tables . The price of 15 chairs and 2 tables together is Tk. 4000. The total price of 12 chairs and 3 tables is-

The price of 10 chairs is equal to that of 4 tables . The price of 15 chairs and 2 tables together is Tk. 4000. The total price of 12 chairs and 3 tables is- Correct Answer None of these

Assume the cost of Table and Chair is Tk. X and Tk. Y Write the Equation for the Question: •The price of 10 chairs is equal to that of 4 tables 10X = 4Y Y = 5x/2 •The price of 15 chairs and 2 tables together is Tk. 4000. 15X + 2*Y = 4000 15X + 2*5x/2 = 4000 20X = 4000 X = 200 •Substitute X value in Equation. So, Y = (5/2*200) Y = 500 •The total price of 12 chairs and 3 tables is, 12X + 3Y = 12*200 + 3*500 = 2400 + 1500 = 3900 The total price of 12 chairs and 3 tables is 3900 Taka.

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