A sum of money becomes double itself in 8 years at simple interest. How many times will it become 10 years at the same rate?
Choices: A) 2 1/4 B) 3 1/4 C) 4 1/2 D) 5 E) 7
P ---- 2P ---- 8 years   2 1/4 P ---- 10 years   2 1/4NSWER 2 1/4
<result>A</result>
A sum of money becomes double itself in 8 years at simple interest. How many times will it become 10 years at the same rate?