Final answer:
To find the monthly percentage rate of Rachel's credit card with a 26.4% APR, divide the APR by 12, which gives a monthly rate of 2.2%.
Step-by-step explanation:
To calculate the monthly percentage rate on Rachel's credit card with an annual percentage rate (APR) of 26.4%, you divide the APR by 12 months:
Monthly Percentage Rate = APR / 12
Monthly Percentage Rate = 26.4% / 12
Monthly Percentage Rate = 2.2%
Therefore, the correct answer is (A) 2.2%.