Respuesta :

DoubleJ
100%=9.99
×%=6.75

9.99x=100×6.75
9.99X=675

X=675/9.99
67.567% or 67.57

you could also say:

6.75/9.99=0.67567

0.67567×100=67.57%

so the markup is 100%-67.57%=32.43%

32.43%off