Respuesta :

Answer:

£60

Step-by-step explanation:

Let the original cost be x.

x × (1 - 20%) = 48

0.8x = 48

x = 48/0.8

x = 60

The original cost was £60 before the sale.

Answer:

£57.60

Step-by-step explanation:

find 20% of £48, which is £9.60

then add that to £48, which will give you the answer of £57.60