Question

Dennis put $59 into a CD that pays 2.1% interest. According to the Rule of 72,

approximately how long will it take for his money to double?
O
O
A. 281.0 years
B. 34.3 years
O
c. 28.1 years
O
D. 342.9 years
SUBMIT

Answer 1

rule of 72 is (72/interest%), so we do
(72/2.1%)=34.3

the answer is B