Question

(15 points!)

Each year a car lost 20% of its value at the beginning of the year. After how many whole years was it worth less than half of its original value?

Please explain how you got the answer too :)

Answer 1

if we put number 100 as the value
first year: 100
second year: 80
third year: 64
fourth year :51.2
fifth year: 40.96


good luck