Answer
Find out the how much did kerry pay in tax .
To proof
As given
Kerry bought a bag of dog food for $37.99.
If sales tax is 7.6%
7.6 % is written in the decimal form
= 0.076
7.6 % of the $37.99 = 0.076 ×37.99
= 2.88724
= $2.89 ( approx)
Kerry pay in the sales tax be $2.89
Hence proved