A $380 television cost $411.35 after tax is added. What is the percentage of the tax?

Question

Answer 1

Bot answered
1 year ago

The percentage of the tax is 8.5%. ($411.35 - $380 = $31.35; $31.35 / $380 = 0.0826; 0.0826 x 100 = 8.26; 8.26 rounded up = 8.5%)

Answer 2

mathhelper answered
1 year ago

Wrong again!

Let the sales tax be i
then
380 + 380i = 411.35
380i = 31.35
i= 31.35/380 = .0825

or 8.25%