Answer:
mp=4500
let discount %be x
sp=mp-discount %of mp=4500-x/100×4500=4500-45x
Step-by-step explanation:
sp with 10%vat=sp+vat%of sp
4400=4500-45x+10/100(4500-45x)
4400-4500=(-450x+(4500-45x)/10
-1000=(-450x+(4500-45x)
-1000-4500=-495x
495x=5500
x=5500/495=11.11%
