Question

Jay gas $8 he wants to buy a book gir $7.50 the sales tax 6% does he have enough money

Answer 1

6%=0.06
if you want to know how much he paid for the sales taxes you multiply 7.5 by 0.06 
7.5 . 0.06= 0.45
7.5+0.45=7.95
8>7.95
Jay have enough money to buy the book