Question

Ms. Pierce bought a camera that cost $450. She also had to pay an additional 5% sales tax. How much did Ms. price pay for the camera

Answer 1

if we add 4%, we now have 104% of
the price, right? Remember that "percent"
means for each 100, so 104% = 104/100 :
1.04. 1.04(450) = $468.