A shopkeeper gains Rs. 5 on each pen and loses Rs.2 on each pencil. He sells 10 pens and some
pencils losing Rs 20 in all. How many pencils does he sell
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Step-by-step explanation:
Total loss ( on penciled) =10x paise
Total gain in pen =2rs =200x 10
=2000
loss = 20 RS =2000
Now equation
10x-2000=2000
10x=3000+2000
10x=5000
x=5000÷60
x=500
pencil is sold 500
A shopkeeper gains 5 RS on each pen and loss 2 RS
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