Solution:- For credit card, there is interest rate for borrowing money from the bank.
and that interest rate is termed as yearly rate which is known as annual percentage rate (APR).
Now for the given question APR of a credit card i= 11.91%
and compounded interest daily so, n=365 days
Now for effective interest rate 

=12.38%
So, the effective interest for last interest is 12.38%
HOW IS THIS MIDDLE SCHOOL ALGEBRA 1!??? I'm a senior in highschool and i have NEVER seen smthg THIS difficult for a middle schooler...
Answer:
42 miles
Step-by-step explanation:
If it's a constant 12 miles per hour then it would be
12 mph x 3 hours = 36
then you would add that with the 1/2 hour for
12 mph x 1/2 hours = 6
36 + 6 = 42 miles traveled
Wait if he worked 1 hour this question still makes no since