document.write( "Question 132623: In 1990,Joshua's university tuition was $1500. In 1995, tuition at the same university cost $3200. Assuming that an exponential model applies, how much will tuition cost in 2009? \n" ); document.write( "
Algebra.Com's Answer #96987 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! (1995-1990)/(3200-1500)=(2009-1990)/(X-1500) \n" ); document.write( "5/1700=19/(X-1500 \n" ); document.write( "5(X-1500)=19*1700 \n" ); document.write( "5X-7500=32300 \n" ); document.write( "5X=32300+7500 \n" ); document.write( "5X=39800 \n" ); document.write( "X=39800/5 \n" ); document.write( "X=$7,960 IS THE PROJECTED TUITION FOR 2009. \n" ); document.write( " |