scrub-a-dub toothbrushes are 4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny
10% of 4.00 is .40 cents. Which makes the price with the discount 3.60. Since tax of 6% is per dollar, 3 times 6 is 18. Add it together and it becomes. 3.78$.