3 chairs and 1 table cost ₹ 900; whereas 5 chairs and 3 tables cost ₹ 2,100. If the cost of 1 chair is ₹ x and the cost of 1 table is ₹ y, then the…

$\displaystyle 3$ chairs and $\displaystyle 1$ table cost ₹ $\displaystyle 900$; whereas $\displaystyle 5$ chairs and $\displaystyle 3$ tables cost ₹ $\displaystyle 2$,100. If the cost of $\displaystyle 1$ chair is ₹ $\displaystyle x$ and the cost of $\displaystyle 1$ table is ₹ y, then the situation can be represented algebraically as