Answer:
.78 cents
Step-by-step explanation:
To find the tax amount on any number, divide that number by 100 and then multiple it by the tax percentage.
In this case that would look like: $19.50/100 times 4 =.78
❀ ❀
\ ❀
\ ❀ ❀
l l
✿ Spring ✿
300 is the original amount and 0.5 is the rate (a percent) which is deacying because it is less than 1