A shop keeper gains Rs. 1 on each pen and loss 40 paise on each pencil. He sells 45 pens and some pencils , lossing Rs. 5 in all. How many pencils he sold ?
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Suppose he sells x pencils.
Total gain on pens = ₹45
Total loss on pencils = ₹40x÷100 = ₹2x÷5
45-2x÷5 = -5
2x÷5 = (45+5)
2x÷5 = 50
x = (50×5) = 125
Hence, the no. of pencils sold is 125
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Total gain on pens = ₹45
Total loss on pencils = ₹40x÷100 = ₹2x÷5
45-2x÷5 = -5
2x÷5 = (45+5)
2x÷5 = 50
x = (50×5) = 125
Hence, the no. of pencils sold is 125
Please mark me the BRAINLIEST
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