Maya would like to invest her money in a savings account. The function A(t)=500(1.015)t represents the amount of money Maya will have in her savings account after t years. How long will it take Maya to have $800 in her account? Round your answer to the nearest tenth of a year.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.