A shopkeeper earns a profit of Rs 1 on selling one pen and suffers a loss of Rs., 30 paise on selling one pencil in a particular month he incurs a loss of Rs 5 on that month he sold 40 pens how many pencil did he sold in that month
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total pens = 40
profit in pens = 40× 1 =40 rs
total pencil = x
total loss in pencils = 0.30x
total loss = 5 rs = 0.30x - 40
0.30x = 5+40=45
x = 45/0.30
x = 150 pencils
profit in pens = 40× 1 =40 rs
total pencil = x
total loss in pencils = 0.30x
total loss = 5 rs = 0.30x - 40
0.30x = 5+40=45
x = 45/0.30
x = 150 pencils
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