Answer:
A. 2a+6
Step-by-step explanation:
I did the test and this is what I got.
50 Questions
14 out of 100 wrong gets 72% correct is equal to 28%
Compare the Score earned and a perfect score.
14/x = 28/100
1400=28x
50=x
$30 is the right answer of the cost of 1 violon