document.write( "Question 189966: Kelly has a coffee shop. Tea is $1.05, Coffee is $1.35, and Hot Chocolate is $2.25. One day she sold 20 more cups of coffee than hot chocolate, 30 more cups of coffee than tea for a total of $202.50. How many cups of each drink did she sell? \n" ); document.write( "
Algebra.Com's Answer #142538 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Let x = number of cups of hot chocolate sold
\n" ); document.write( "then
\n" ); document.write( "20+x = number of cups of coffee sold
\n" ); document.write( "(20+x)-30 = number of cups of tea sold
\n" ); document.write( "or
\n" ); document.write( "x-10 = number of cups of tea sold
\n" ); document.write( ".
\n" ); document.write( "1.05(x-10) + 1.35(20+x) + 2.25x = 202.50
\n" ); document.write( "1.05x - 10.5 + 27 + 1.35x + 2.25x = 202.50
\n" ); document.write( "4.65x + 16.5 = 202.50
\n" ); document.write( "4.65x = 186
\n" ); document.write( "x = 40 (cups of hot chocolate)
\n" ); document.write( ".
\n" ); document.write( "Cups of coffee:
\n" ); document.write( "20+x = 20+40 = 60 (cups of coffee)
\n" ); document.write( ".
\n" ); document.write( "Cups of tea:
\n" ); document.write( "x-10 = 40-10 = 30 (cups of tea)
\n" ); document.write( "
\n" );