Answer:
13 years
Step-by-step explanation:
It is given that,
Lucinda put $66 into a CD that pays 5.7% interest. According to the rule of 72,
The rule of 72
It is a simplified way to determine, If we invest some amount, how long that investment will take to double,
Formula
Let R be the rate of interest,
The time required to take double the amount = 72/R
Calculate the approximate years
According to the rule of 72, approximately 12.63 ≈ 13 years will it take for her money to double
