Question

एक द्विघात बहुप५ लाखए ।।।।
5 pencils and 7 pens together cost Rs.50 where as 7 pencils and 5 pens together cost
Rs.46. Represent this situation algebraically.
5 पेंसिल तथा 7 कलमों का कुल मूल्य (50) रुपया है, जबकि 7 पेंसिल तथा 5 कलमों का कुल मूल्य
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Answer 1

Answer:

let no of pencils be x

let no of pens be y

5x+7y=50

7x+5y=46

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