Question

please answer it fast​

Answer 1

Answer:

in it there is the concept of profit and loss .

solution for this question is ,

let cost price ( C.P )= 1

S.P = 1× 4/5 = 4/5

loss = C.P - S.P = 1 - 4/5 = 5-4/5

so, = 1/5 ( loss)

then loss %

so , L%= (lose÷C.P) × 100

putting values

= (1/5÷1)×100

= 1/5×100 = 20%

so the answer is 20%