Given : $45.00 purchase in Iowa totals $47.70 with tax .
Amount of Tax in Lowa = 47.70-45.00= 2.70
Percentage of Sales Tax=
%
Also given:$35.00 purchas in Tennessee totals $37.45 with tax.
Amount of Tax= 37.45-35.00=2.45.
Percent of sales Tax=
%
Therefore the state with the greater tax percentage is Tennessee .