Answer: 6.93 years
Step-by-step explanation:
Given
Rate of interest is 
Future value is given by 
For the investment to double itself, i.e. 

It takes around 6.93 years to double the investment.
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I would saybar chart because it is a set amount of data
Answer:
y+3=-5(x-4)
Add 20 characters to explain the point
They have 1.4 bags of popcorn.
1) 9 7/8
2) 2 yd
3) 58