You buy a new computer for $2100. The value of the computer decreases by about 50% annually. Estimate the value after 2 years and estimate when the computer will have a value of $600?
After one year, it will have a value of $1,050. And after 2, it will have a value of $525. Therefore, after about a year and 10 months, it will approximately have a value of $600 (actually, $612.5 to be exact)