document.write( "Question 998081: Kate worked 10 h overtime. She earned $8 more than 1/3 the amount she earns for 40h of work at her usual rate. If her overtime rate is $2.40 per hour more than her usual rate, find her overtime rate. \n" ); document.write( "
Algebra.Com's Answer #615989 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Kate worked 10 h overtime. She earned $8 more than 1/3 the amount she earns for 40h of work at her usual rate. If her overtime rate is $2.40 per hour more than her usual rate, find her overtime rate. \n" ); document.write( "------ \n" ); document.write( "Equations: \n" ); document.write( "Note: Rate*time = earning \n" ); document.write( "------- \n" ); document.write( "Let \"x\" be her overtime rate and \"y\" be her usual rate. \n" ); document.write( "10x = (1/3)40y + 8 \n" ); document.write( "x = y + 2.40 \n" ); document.write( "------ \n" ); document.write( "Modify for elimination:: \n" ); document.write( "30x - 40y = 24 \n" ); document.write( "30x - 30y = 72 \n" ); document.write( "------------------------ \n" ); document.write( "Subtract and solve for \"x\":: \n" ); document.write( "10y = 48 \n" ); document.write( "y = $4.80 per hour \n" ); document.write( "---- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x = 4.80+2.40 \n" ); document.write( "x = $7.20 \n" ); document.write( "------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |