document.write( "Question 192304: Members of a senior class held a car wash to raise funds for thier senior prom. They charged $3 to wash a car and $5 to wash a truck. If they earned a total of $275 by washing a total of 75 vehicles,how many cars did they wash? \n" ); document.write( "
Algebra.Com's Answer #144335 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Let x represent the number of cars washed. Then, since 75 vehicles were washed, the number of trucks washed must have been 75 - x.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Since they charged $3 per car, the amount of money they made from washing cars was 3x. Likewise, the amount of money they made from washing trucks was \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The total of these two amounts must be the total amount they made, so:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solve for x to get the number of cars washed.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "
\n" ); document.write( "

\n" ); document.write( "
\n" ); document.write( "
\n" );