document.write( "Question 1145627: A cash register contains only five dollar and ten dollar bills. It contains twice as many five’s as ten’s and the total amount of money in the cash register is 600 dollars. How many ten’s are in the cash register? \n" ); document.write( "
Algebra.Com's Answer #766856 by richwmiller(17219)\"\" \"About 
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5f+10t=600
\n" ); document.write( "f=2t\r
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\n" ); document.write( "5*2t+10*t=600
\n" ); document.write( "20t=600
\n" ); document.write( "t=30
\n" ); document.write( "f=60
\n" ); document.write( "check
\n" ); document.write( "5*60+10*30=600
\n" ); document.write( "300+300=600
\n" ); document.write( "ok\r
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