Question

If the cost price of 15 items is equal to the selling price of 20 pens. Find the loss percent .
PLEASE solve with STEP BY STEP EXPLANATION PLEASE ​

Answer 1

Step-by-step explanation:

Let the C.P. be

′

x

′

& S.P. be

′

y

′

then 15x=20y ......(1)

As from (1) x>y⇒C.P.>S.P.

∴ loss

⇒ Loss=

C.P

C.P−S.P

×100=

x

x−y

×100

⇒(1−

x

y

)100=(1−

20

15

)100 .....(from (1))

=25% loss.