Y = 2 * X This is the eqaution for this table
There's is one gallon of gas left in the tank or gas can
Answer:
Given formula is :
S = 
We have p = 8500
r = 12.7% or 0.127
(a) when t = 18 months or
years
S = 
=
=
= 1.20985
S = $10283.73
(b) Investment doubles means S = 


=> 
Taking log on both sides

We get t = 5.45 years