Im sure you have your answer by now but would you mind posting the answer
20.8478066 (or 20.85%)
you do 480.77 minus 380.54 and it comes out to 100.23 and then you do 100.23/480=x/100 (discount/original=percent/100) and you multiply 100.23 by 100 and it comes to 10023 and you do 10023 divided by 480.77 and it comes out to 20.8478066 or 20.85%
6:15:21
6:15:21= 2:5:7
<em>(when divided by 3)</em>
.361 .36 .35 1/5
1/5 = .20
Answer:
C
Step-by-step explanation:
