Question

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read it carefully :-
☞ A shopkeeper earns a profit of Rs 1 by selling one pen and incurs a loss of 40 paise per pencil while selling pencils of her old stock

question:-
(i) In a particular month she earns neither profit nor loss. If she sold 70 pens, how many pencils did she sell?

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Answer 1

here no. of pens = 70

let no. of pencil be = x

ACCORDING TO QUESTION....

R0 = 70(1) - (0.4)(x)

(0.4)(x) = 70

so..

x = 70/0.4 (you can simplyfy it no calculator)

x = 175

Answer 2

Answer:

hey mate here is ur answer----------------------------------------:

above attachment

I hope this helps u

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