Answer:
25 %
Step-by-step explanation:
Percentage is given by :
[tex]\%=\dfrac{\text{original value-new value}}{\text{origial value}}\times 100[/tex]
Original cost of sweater is $32 and sale cost is $24. So,
[tex]\%=\dfrac{32-24}{32}\times 100\\\\=25\%[/tex]
Hence, 25 % is the markdown on the sweater.