(plz help me) Chocolates cost $0.20 per ounce. Samantha spent $6.80 on chocolates. If n represents the number of ounces she bought, which of the following equations is true? A. $6.80 + n = $0.20 B.$6.80*$0.20=n C. $6.80 ÷ $0.20 = n D.$6.80*n=$0.20