Answer
sales tax = 5.46 dollars
total price = 70.46 dollars
Work Step by Step
sales tax= tax rate $\times$purchase price price
sales tax =8.4%$\times$ 65
sales tax=0.084$\times$65=5.46 write 8.4% as 0.084
total price=purchase price + sales tax
= 65+ 5.46 = 70.46
