Question

A super deadly train of bacteria is causing the zombie population to double every 2 days. currently, there are 25 zombies. after how many days will there be 25,600 zombies

Answer 1

25+25(2)+50(2)+100(2)+200(2)+400(2)+800(2)+1,600(2)+3,200(2)+6,400(2)=25,575 so after 18 days there will be 25,575 zombies :)