document.write( "Question 1096728: The current value of a vehicle is ksh.128,000.If this vehicle has been depreciating by a fifth of its value every year, find its value 4 years ago. \n" ); document.write( "
Algebra.Com's Answer #711126 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! original was x \n" ); document.write( "x*(1-0.2)^4, is depreciation of 20% or a fifth, for 4 years \n" ); document.write( "x*0.8^4=128000 \n" ); document.write( ".4096x=128000 \n" ); document.write( "x=128000/0.4096=312,500 \n" ); document.write( "if one multiplies 312,500*0.8, and the answer by 0.8, and that answer by 0.8, and that answer by 0.8=128000 \n" ); document.write( " |