My guess is 3.109126351029605. I am not 100% sure its the correct answer you are looking for. Good luck!
Answer:
8 inches
Step-by-step explanation:
90 miles -------------> represented by 3 inches
1 mile -------------> represented by 3/90 inches
240 miles ----------> represented by 3/90 x 240 = 8 inches
New balance = unpaid balance + periodic interest of unpaid balance + new transaction
Periodic interest rate = APR/12
= 17.4%/12
= 1.45%
unpaid credit card balance = 2543.32
new transaction = 320
New balance = 2543.32+(0.0145 x 2543.32) +320
New balance credit card balance = 2900.19814