Jack's credit card has a 20% apr. find the periodic interest rate from june 3
to july 2. round your answer to two decimal places.
o a. 2.12%
o b. 1.67%
o c. 2.35%
o d. 1.64%

damm bro the struggle

step-by-step explanation:

its adding 5.5 each time

step-by-step explanation:

ending amount = beginning amount / (2^n)

where "n" = number of half-lives (or elapsed time / half-life)

ending amount = 50 mg / (2 ^10 / 5.3)

ending amount = 50 mg / (2 ^ 1.8867924528)

ending amount = 50 m / 3.6981210597

ending amount = 13.5203794557 mg

or about 13.5 mg remain

source: