Answer: 30% discount Gerald received on a portable CD player .
Step-by-step explanation:
Since we have given that
Original price of CD player = $50
Sale price of CD player =$35
Amount of discount is given by
[tex]\$50-\$35=\$15[/tex]
Percent discount is given by
[tex]\frac{Discount}{\text{Original price}}\times 100\\\\=\frac{15}{50}\times 100\\\\=15\times 2\\\\=30\%[/tex]
Hence, 30% discount Gerald received on a portable CD player .