Dashawn bought a cd that cost 18.99 and paid 20.51 including tax what was the percent of tax he paid

First subtract 18.99 from 20.51
this equals 1.52
then divide 1.52 by 18.99
to find the percentage that 1.52 is of 18.99
this is 8% 

it is an 8% tax

Dm me pls mike and