Answer:
C. 12
Step-by-step explanation:
With the rule of 72, you would divide 72 by the periodic interest rate to get the number of years for the principal to double
72 ÷ 6 = 12
x=4 y=5
if we put two pharases together
the answer is as follows pic :
x=4 y=5
Answer:
5381.6
Step-by-step explanation:

