document.write( "Question 197340: At a car dealership,3/10 of the vehicles are trucks, 1/5 are sports cars, and the rest are vans. If there are 90 trucks, how many vans are there? \n" ); document.write( "
Algebra.Com's Answer #147988 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
the number of vans is 1-3/10-2/10=5/10 of all vehicles
\n" ); document.write( ":
\n" ); document.write( "x=total number of vehicles
\n" ); document.write( ":
\n" ); document.write( "3/10x=90 --->3x=900 --->x=300 trucks
\n" ); document.write( ":
\n" ); document.write( "vans =5/10(300)=150 # of vans
\n" ); document.write( ":\r
\n" ); document.write( "\n" ); document.write( ":
\n" ); document.write( "
\n" ); document.write( "
\n" );