2 tables and 4 chairs together cost rs.800, while 4 tables and 2 chairs cost rs.1300. what is the cost of 1 table and 2 chairs
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let suppose tables = x and chairs = y
given : 2x+4y= 800
4x+ 2y = 1300
multiply frst eqn by 2 ND subtract
4x+ 8y= 1600
-4x-2y= -1300
6y= 300
y= 50 now put this value in any equation find x
x= 300
cost of 1 table = 300
cost of 2 chairs = 100
given : 2x+4y= 800
4x+ 2y = 1300
multiply frst eqn by 2 ND subtract
4x+ 8y= 1600
-4x-2y= -1300
6y= 300
y= 50 now put this value in any equation find x
x= 300
cost of 1 table = 300
cost of 2 chairs = 100
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