Sagot :
Answer:
319.2 is the new price after sale
Step-by-step explanation:
399 (original price)
20% (percent discount) ,convert % to decimal which is .20
then multiply 399 by 0.20 then the result is 79.8 (which is the 20% off)
next , subtract the original price with 79.8
399-79.8 = 319.2