An item cost $500 before tax, and the sales tax is $45 ..find the sales tax rate write in percentage

9%

Step-by-step explanation:

An item cost $500 before tax,and the sales tax is $45.  Find the sales tax rate as a percentage.  

Represent this tax rate by r.  Then r = $45 / $500 = 0.09, which is equivalent to the percentage 9%.

the answer on e2020 is

10

4/5

3/5

4/3

step-by-step explanation:

i used to know how to do this in 7th but i forget easily

step-by-step explanation: