Question

The combined cost of 5doors and 7 bells was rupees 2350 while the cost of 10 doors and 4 bells is rupees 2200 how much is the cost of 2 doors

Answer 1

cost of 1 door be X
cost of 5 doors will be 5x

cost of 1 bell be y
7 Bells will be 7y


5x+7y=2350.......(1)
10x+4y=2200.......(2).
(1)*2.
10x+14y=4700....(3)
(3)-(2)
10y=2500
y=250.
then X will be 120.


in the question they have asked cost of two doors.. which means 2*X will give u cost.

cost will be 240 .


thanks. please do mark brainlyy