document.write( "Question 940259: the outdoors club held a car wash to raise money they washed cars for 5$ each and vans for 7$ each. they washed 45 vehicles and earned 243$. how many o each vehicle did they wash? FULL SOLUTIONS?!?! \n" ); document.write( "
Algebra.Com's Answer #573043 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! the outdoors club held a car wash to raise money they washed cars for 5$ each and vans for 7$ each. they washed 45 vehicles and earned 243$. how many o each vehicle did they wash? \n" ); document.write( "------------------ \n" ); document.write( "Equation: \n" ); document.write( "Quantity:: c + v = 45 vehicles \n" ); document.write( "Value:::: 5c + 7v = 2435 dollars \n" ); document.write( "------------------------ \n" ); document.write( "Modify for elimination:: \n" ); document.write( "5c + 5v = 5*45 \n" ); document.write( "5c + 7v = 243 \n" ); document.write( "-------- \n" ); document.write( "Subtract and solve for \"v\": \n" ); document.write( "2v = 18 \n" ); document.write( "v = 9 (# of vans washed) \n" ); document.write( "---- \n" ); document.write( "Solve for \"c\":: \n" ); document.write( "c + 9 = 45 \n" ); document.write( "c = 36 (# of cars washed) \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------------ \n" ); document.write( " |