The price of 2 pens and 3 note books is 40 rupees. The price of 2 pens and 5
note books is 60 rupees. Find the price of a pen? Find the price of a pencil
please tell me the answer
Answers
Answered by
0
Answer:
5 rupees
Step-by-step explanation:
2pens + 5books = 60 ---------------- (1)
2pens + 3books = 40 ---------------- (2)
Subtract equation (1) - equation (2)
2 books = 20 rupees
1 book = 10 rupees
therefore
2pens + 30 = 40
2pens = 40-30
2pens = 10
therefore
1 pen = 5 rupees
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Answered by
0
Answer:
Note book is 10 rupees and Pen is 5 rupees
Step-by-step explanation:
2(pens) + 3 ( books) = 40 ₹ ---( 1 )
2(pens) + 5 (books) = 60 ₹ ---( 2 )
Now subtract (2) - (1)
2 (books) = 20 ₹
book = 10 ₹
now substitute book price in (1)
2 (pens) + 3 ( 10₹) = 40₹
2 (pens) = 10₹
pen = 5 ₹
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