document.write( "Question 1107764: A person opens his wallet and finds that all the bills are $1 bills, $5 bills, or $10 bills. There are 38 bills in this person's wallet. There are 6 more $5 bills than $1 bills. If the total amount of bills is $238, how many $10 bills does this person have? \n" ); document.write( "
Algebra.Com's Answer #722786 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A person opens his wallet and finds that all the bills are $1 bills, $5 bills, or $10 bills. There are 38 bills in this person's wallet. There are 6 more $5 bills than $1 bills. If the total amount of bills is $238, how many $10 bills does this person have? \n" ); document.write( "======= \n" ); document.write( "Quantity Eq: O + F + T = 38 bills \n" ); document.write( "Quantity Eq: F = O + 6 \n" ); document.write( "Value Eq::: O + 5F + 10T = 238 dollars \n" ); document.write( "----------------------- \n" ); document.write( "Substitute for \"F\" \n" ); document.write( "O + O+6 + T = 38 \n" ); document.write( "O + 5(O+6) + 10T = 238 \n" ); document.write( "------------------------------- \n" ); document.write( "2O + T = 32 \n" ); document.write( "6O +10T = 208 \n" ); document.write( "----------------------- \n" ); document.write( "Modify for elimination: \n" ); document.write( "6O + 3T = 96 \n" ); document.write( "6O + 10T = 208 \n" ); document.write( "----- \n" ); document.write( "7T = 112 \n" ); document.write( "T = 16 (# of $10 bills) \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |