Question

A shopkeeper earns a profit of 1 by selling one pen amd incurs a loss of 40 paisa per pencil while while selling pencil of her old stock?(1) In a particular month she incurs a loss of Rs 5 in this period she sold 45 pens .How many pencil did she sell in this period (2) In the next month she earns neither profit nor loss if she sold 70 pens , how many pencil did she sell? step by step answer?​

Answer 1

Answer:

loss=50

pencil selling in the period =5000/40

(2)profit by pen =70

then loss =70

pencil sold=7000/40