An item priced at $10.20 has a sales tax of $0.51. Find the sales tax rate expressed as a percent

Question

I really need help with his problem because I have done this problem a million times and still have it wrong.

Answer 1

To find a percent, turn a fraction into a decimal, then multiply by 100% (which is 1).

 

    $0.51 / $10.20  = 0.05 = 0.05*100% = 5%