A shopkeeper bears a loss of 30 paise by selling 2 pens and earns a profit of Rs1 on sale - Maths - Integers

Question

A shopkeeper bears a loss of 30 paise by selling 2 pens and
earns a profit of Rs1 on sale of 4 pencils In a particular week, he
incurs a profit of Rs2 In that week, he sold 40 pencils How many
pencils did he sell in that period?

Rishabh Mittal · Accepted Answer

Dear Student ,

Please find below the solution to the asked query :

Assuming number of pens=40 given 
Loss on selling 2 pens=30 paiseLoss on selling 1 pen=302=15 paiseProfit on selling 4 pencils=Rs 1=100 paiseProfit on selling 1 pencil=1004=25 paiseLet he sell x pencils in that period Now ,A
T
Q40×-15+x×25=2×100-600+25x=20025x=200+60025x=800x=80025=32He sell 32 pencils in that period 
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A shopkeeper bears a loss of 30 paise by selling 2 pens and earns a profit of Rs1 on sale of 4 pencils. In a particular week, he incurs a profit of Rs2 . In that week, he sold 40 pencils. How many pencils did he sell in that period?