Emma is in driver's education class. Everyday that she practices her maneuverability, Emma knocks down only 25% of the number of cones she knocked down the day before. The first day she knocked the cones down 256 times. She will be ready to take her driving test when she knocks down no more than one cone per practice session. How many days will she need to practice?

Question

anonymous · Answer

How would I do this problem?

anonymous · Answer

Take 256 and divide it by 100 then multiply the answer by 25 And the divide the answer by 100 and multiply the next answer by 25 and so on until you get to 1.