Question

4 knives and 6 fork costs rupees 200.while 6 knives and 7 forks cost rupees 264 find the cost of a knife and a fork

Answer 1

Answer:

let the cost of knives be x

so cost of 4 knives be 4x

let the cost of fork be y

so the cost of 6 fork be 6y

atq

4x+6y=200

dividing by 2

2x + 3y=100

x=100-3y/2. ....,(1)

now

cost of 6 knives be 6x

cost of 7forks be 7y

atq

6x+7y=264

6x=264-7y

putting the value of x from 1 we get

300-9y=264-7y

-2y=-36

y=18

value of x=100-54/2

23

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