document.write( "Question 263404: If the patterns of the fines continue at the same rate of increase at what speed will the fines be the same? Given: County A rate is +15, County B rate is +10; at 60mph fine for County A is $0 and the fine for County B is $40. \n" ); document.write( "
Algebra.Com's Answer #194107 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! If I understand the question correctly, we have two equations \n" ); document.write( "(i) \n" ); document.write( "(ii) \n" ); document.write( "setting them equal, we get \n" ); document.write( " \n" ); document.write( "distribute to get \n" ); document.write( " \n" ); document.write( "combine like terms to get \n" ); document.write( " \n" ); document.write( "subtract 10m and add 900 to get \n" ); document.write( " \n" ); document.write( "divide to get \n" ); document.write( " \n" ); document.write( "So, at 68 mph, \n" ); document.write( "city A fine will be $120 \n" ); document.write( "city B fine will be $120 \n" ); document.write( " |