Question

Shalu Paid rupees 88. 20 for 23 similar pens and 18 similar files the. total cost of a pen and a file is rupees 4. 65 find the cost of one pen​

Answer 1

Answer:

0.9

Step-by-step explanation:

Cost of 1 pen = x

Cost of 1 file = ₹4.65-x

23x + 83.7 - 18x = ₹88.2

(23x - 18x) + 83.7 =₹88.2

5x + 83.7 = ₹88.2

5x = 88.2 - 83.7

     = 4.5

( You can either write cost of a pen or 1x) =4.5 ÷ 5

                                                                      = 0.9

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Answer 2

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