Question

2 tables and 3 chart s together cost 2000/- where as 3 tables and 2 chairs together cost 2500/- express this into pair of linsear eqation

Answer 1

Answer:

2x+3y=2000

3x+2y=2500

Explanation let X be the cost of the table and Y be the cost of the chair two tables and chares together cost rupees 2,000 then 2 X + 3 Y is equal to 2000and 3 tables and 2 chairs together cost 2500 3 X + 2 Y is equal to 2500

Answer 2

Answer:

Cost of one table is 700/-

Cost of one chair is 200/-

Step By Step Explanation:

Let ;

     cost of one table be 'x'

     cost of one chert be 'y'

2 tables and 3 charts cost 2000/- : 2x+3y=2000   -1

3 tables and 2 charts cost 2500/- : 3x+2y=2500   -2

(equation 1)3-(equation 2)2

  6x+9y=6000

(-)6x+4y=5000

⇒5y=1000

⇒y=200/-

substitute y=200 in equation 1

  2x+3y=2000

  2x+3(200)=2000

  2x+600=2000

  2x=1400

⇒x=700/-

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