Question

10. A shopkeeper sells his goods at 80% of their
cost price. Find his percent gain or loses?
3​

Answer 1

Answer:

Step-by-step explanation:

So let the CP of the goods be ₹100(for convenience)

So as per question, he sells them for 80% of CP, that is:

80/100 ×100= 80(100 divided by 100 is 1)

So SP = ₹80

SP is less than CP. So it's a loss.

Loss= ₹100- ₹80= ₹20

Loss percentage= (Loss/CP) ×100

(20/100) × 100 =20% loss (as 100 divided by 100 is 1& 1×20=20)

Therefore the shopkeeper occured a loss of 20%.

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Answer 2

Step-by-step explanation:

Let's take C.P as Rs.100

80% of Rs.100 is Rs. 80 which is S.P

As C.P>S.P So there is loss

Loss = Rs.100 - Rs.80 = Rs. 20

Percent loss = ( Loss / C.P ) × 100

% loss = ( Rs.20 / Rs.100 ) ×100

1/5×100 = 20%

So he loses 20%.....

Hope this helps you