a shopkeeper gains rs.1 on each pen and loses 40 paise on each pencil . he sells 45 pens and some pencils losing rs.5 in all .how much pencil does he sell.
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Answer:The Answer is 125
Step-by-step explanation:
Suppose he sells x pencils
Total gain on pens =45 rs.
Total loss on pencils = 40x/100 = 2x/5 rs
= 45 - 2x/5 = -5
= 2x/5 = (45+5)
= 2x/5 = 50
X = (50×5) / 2 = 125
Hence, The number of pencils sold is 125.
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