Question

Arun buys 5 pens for 75 and Dinesh buys 7 pens for 91 who buys the cheapest​

Answer 1

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• Arun buys 5 pens for 75 and Dinesh buys 7 pens for 91 who buys the cheapest

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Let's find cost for 1 pen : ⤵️

Arun : ⤵️

• cost of 5 pens = 75/-
• cost of 1 pen = ?
• cross multiplication
• 75 / 5 = 15
• 1 pen costs 15

Dinesh : ⤵️

• cost of 7 pens = 91
• cost of 1 pen = ?
• cross multiplication
• 91 / 7 = 13
• 1 pen costs 13

so Dinesh pen is cheaper than arun

Answer 2

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