Answer:
I think this is the correct answer
Answer:
(a)His monthly Interest Rate=0.8%
(b)Annual Interest Rate = 9.6%
(c)
Step-by-step explanation:
For a Principal P invested at a yearly rate r, compounded m times in t years
Amount at Compound Interest= 
Comparing with Jerry's equation y=388 (1.008)
(a)His monthly Interest Rate= 0.008=0.8%
(b)Annual Interest Rate= Monthly Interest Rate X 12 =0.8 X 12 = 9.6%
(c)If I invest $500 at the same rate of return,
Total Money after m months
= 


Hey!
This could be rewritten as:
2x + 1 + 5x
We can add like terms together:
7x + 1
I wrote it somewhere else where I can’t copy and paste so hope this works!
So the easiest way to solve this is to use the straight line provided .
180=90+61+x
180=151+x
29=x