Question

7 table and 3 chairs cost Rs 850 also 5 table 4 chairs cost Rs 700. The cost of 1 table and 1 chair respectively *​

Answer 1

Answer:

1 table cost is rs. 100 and 1 chair rs. 50 7 tables and 3 chairs 7×100 3×50= 700+150=850 1 chair and 1 table cost is rs.150

Answer 2

Step-by-step explanation:

let x be the cost of chair

let y be the cost of table

7y+3x=850_____(1)

5y+4x=700____(2)

multiply eq (1)by 4 and eq (2) by 3

28y+12x=3400___(3)

15y+12x=2100___(4)

sub eq 3&4

13y=1300

y=100

put y=100 in eq (2)

5×100+4x=700

4x=200

x=50

cost of chair=₹50

cost of table=₹100

hope it is helpful for you