By changing the percentage to a decimal then multiplying it to your number, that number is then added to your total, heres how.
Step-by-step explanation:
i bought a shirt for 10 dollers and the tax was 7%, move the decimal twice and you get .07, times that to 10 and you get .70, add that and you get 10.70,
if u need help or practice pls comment on my answer,
