Answer:
the money you will invest per year to fund 70% of your salary after retirement is given by,
[tex]\frac{401000}{100}[/tex] X 70%=280 700.
Explanation:
you will need to save 280 700 in order to pay yourself 70% of 401 000.
since percentage is by 100, you will divide the salary by 100 and multiply the result by the new percentage.