Question

the total cost of 6 books and 7 pens 79 rupees and the total cost of 7 books 5 pens is 77 rupees. find the cost of 1 pen and 2 books​

Answer 1

Answer:

hope it helps you

Step-by-step explanation:

let books be x and pens be y

6x+7y=79-----1

7x+5y=77-----2

1-2

6x+7y=79

-7x-5y=-77

-x+2y=2

cost is 2 rupees.

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