Question

pls telll fast by full process​

Answer 1

Answer:

let cp be x

80%of x=320

x=320×100/80

x=400

therefore the cost price of the item is 400.

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Answer 2

Answer:

Explanation:

x/320*100= 20%

x/16*5= 20%

x/16= 4

x= 16*4

x= 64

loss= 64