A chair cost Rs.250 and a table cost Rs.400. If a Housewife purchases a certain number of chairs and two tables for 2800 find the number of chairs she purchased. (Linear equations and linear inequalities)
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she bought 8 chairs
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cost of chair =x
cost of table = y
amount she spend = 2800
no. of chair she bought = x+2y=2800
=putting the value of y=x+2*400=2800
=x=2800-800
x=2000
no of chairs bought = 2000/250
=8 chairs he bought
cost of table = y
amount she spend = 2800
no. of chair she bought = x+2y=2800
=putting the value of y=x+2*400=2800
=x=2800-800
x=2000
no of chairs bought = 2000/250
=8 chairs he bought
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