If $8000 is invested at 5% compounded for t years, the value of the investment A is given by A = 8000e*.05t. Determine how long it takes this investment to double the original amount.

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

Me with this one question, and i'll upvote the brainliest answer

Ihave trouble finding the nth term of a linear sequence