A shopkeeper earns a profit of rupees 1 on selling one pen and suffers a loss of 30 paise on selling one pencil .in a particular month he incurs a loss of rupees 5 .in that month he sold 40 pens .how many pencil did he sell in that period?
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Answer:150
Step-by-step explanation:
Loss =Rs 5
Let x be the no. of pencils then
x*rs(30/100)[loss]-rs40(as 40 pens sold)[profit]=rs5[loss]
x=(45*100)/30=150
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