Answer:
sales tax 6%
Explanation:
pencils' price= $ 5.00
pencils' price + sales tax = $5.30
$5.00 + sales tax = $5.30
sales tax = $5.00- $5.30
sales tax= $0.30
sales tax = % in decimals times pencils' price
$0.30 = p x $5.00
p= $0.30/ $5.00
p= 0.06
in percent is 6%