Question

at the end of each year the value of machine is depriciated by 20% of its value at the begining of the year .if its initial value is 1250 find the value at the end of 5 years

Answer 1

1250 *80/100*80/100*80/100*80/100*80/100 =1250*4/5*4/5*4/5*4/5*4/5 =1250*64/125*16/25 =10*64*16/25
=409.6