Question

5 pencils and 7 pens together cost ₹50,whereas 7 pencils and 5 pens together cost ₹46. find the cost of one pencil and that of one pen​

Answer 1

Answer:

hope it helps you!!!!!

Answer 2

Answer:

let the pencil be x and let the pen be y

5×+7y=50

7×+5y=46

multiply first equation by 7

35×+49y=350

multiply second equation by 5

35×+25 y=230

solving them we get 24y =120 which gives y=5rupees

substituting in second equation we get

x=3 rupees