When he was 40 keefer began investing $150 per month in various securities for his retirement savings. his investments averaged a 4.5% annual rate of return until he retired at age 70. what was the value of keefer's retirement savings when he retired? assume monthly compounding of interest.

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation:

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