Question

one pen cost rupees 10 and one pencil cost rupees 7 if Mohit purchase some pen and pencil and pay 85 rupees then write the linear equation represent this problem
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Answer 1

Answer:

let the number of pens = x

let the number of pencils = y

Linear equation :-

10x + 7y = 85

Answer 2

Answer:

this is the correct answer..