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The price of 12 chairs and 8 tables is Rs. 676. What is the price of 21 chairs and 14 tables?

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Rs . 1183

Rs . 4732

Rs 1180

Cannot be determined

answer is A.

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Detailed Solution

Concept: Firstly, we’ll convert the problem into algebraic equation and then solve the equation to get the answer. We’ll assume the price of chair be

x

and price of one table be

y

.
Let, price of one chair be

x

and price of one table be

y

.
According to question, we’ll get

12 x + 8 y = 676

4 (3 x + 2 y) = 676

3 x + 2 y = 169

Now, we’ll multiply both the sides by

7

to get

21 x + 14 y

21 x + 14 y = 169 \times 7 = 1183

Hence, is the price of 21 chairs and 14 tables is

Rs 1183

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