Answer:
sp with vat = Rs. 2500
vat% = 8%
so,
let sp without vat be x
vat amount = vat% of sp
= 8% of x
8x/100
again
sp with vat = sp without vat + vat amount
2500= x + 8x/100
2500=108x/100
250000=108x
x = 2314.81
so, the price if the bag before vat was rs. 2314.81