Answer:
x = 4 in
Step-by-step explanation:
scale factor of reduction is
=
, thus
x =
× 12 = 4
Peter paid 0.85 tax which is at 7.1% sales tax
<span>43.79 *0.05= </span>2.1895
218.95 *0.05= 10.9475
2.19 *0.05= 0.1095
21.90 *0.05= 1.095
2,189.50 *0.05= <span>109.475
</span>
hope this helps
Yes they are proportionate