Question

Im working with Exponential growth and Decay. (logs&lns). A furniture store is closing ouut its buisness. Each week the owner lowers prices by 25%. After how many weeks will the sale price of a %500 item drop below $100?

Answer 1

100=500(1-(0.25/4)^1/4w
100/500=(1-(0.25/4)^1/4w
w=((log100/500)/(log1-(0.25/4))/4
w=6.234
take 6 weeks


(log 100/500)/(log

Answer 2

hey

Answer 3

nice pic