Question

The total cost of 3 chair and 2 tables is rs.4500 the total cost of 2 chairs and 3 tables is rs.5500 find the total cost of a chairs and a tables

Answer 1

Let chair=x
table=y
so 3x+2y=4500
2x+3y=5500
adding both
5x+5y=10000
5(x+y)=10000
so x+y=2000
so total cost of a chair and a table is rs 2000
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