94.8 years! Or 1138 months. Note: at 3% it takes about 24 months to doubles someone's money. Happy Valentines Day!! >u<
He attempted 500 passes since you divide 350 by 7 which, would give you 5 then, you would multiply it by 100 therefore, it gives you 500
27^(-2/3)=1/((∛27)^2)
=1/3^2
=1/9
John will receive $9.80 back