help with adding tax to $225?

Particia Thorton: $242.29

David Kuper: oh, please - multiply and add - it doesn't get any simpler.

Luke Creitz: You can either figure the tax and add it to the amount or figure the total amount.To get the tax alone, multiply the amount ($225) by the tax rate which is 7.685% or .07685 - add this to the $225or, since the sum is the amount plus the tax, you can just multiply the $225 by 1.07685 to get the total....Show more