Question

9. The sale price of 100 pens is equal to print price of 85 pens. Calculate the percent
discount.

Answer 1

Answer:

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Step-by-step explanation:

Let C.P of one article =1 Rs.

Then C.P of 40 article=40 Rs.

According to the question

S.P of 50 article =C.P of 40 article=40 Rs.

We assume that C.P of one article =1Rs.

then C.P of 50 article=50 Rs.

Loss=50-40=10 Rs.

Loss %=

50

10

×100=20%