document.write( "Question 128766: There are two types of tickets available for a concert. The reserved-seat tickets cost $18.00 each, and the cheap-seat tickets cost $12.50 each. How many tickets were sold if 3 times as many cheap-seat tickets were sold as reserved-seat tickets and the total proceeds were $688,200?\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "What's the formula that's the thing I don't understand with story problems.
\n" ); document.write( "

Algebra.Com's Answer #94220 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
12.5*3X+18*X=688,200
\n" ); document.write( "37.5+18X=688,200
\n" ); document.write( "55.5X=688,200
\n" ); document.write( "X=688,200/55.5
\n" ); document.write( "X=12,400 RESEVED SEAT TICKETS WERE SOLD.
\n" ); document.write( "3*12,400=37,200 OF THE CHEAP TICKETS WERE SOLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "12.5*37,200+18*12,400=688,200
\n" ); document.write( "465,000+223,200=688,200
\n" ); document.write( "688,200=688,200
\n" ); document.write( "
\n" );