document.write( "Question 888482: Mary and Carol are doing a month project. Carol can do work twice as fast as Mary. If they work together they can finish the project in 4 hours. hOW WOULD YOU Reprsent the amount of work that mary can finish in 1 hour? how about the amount of work that carol finish in 1 hour? \n" ); document.write( "
Algebra.Com's Answer #537406 by LinnW(1048)![]() ![]() You can put this solution on YOUR website! Set C = Carol's rate in projects per hour \n" ); document.write( " M = Mary's rate is projects per hour \n" ); document.write( "4*( combined rates for Carol and Mary ) = 1 project completion \n" ); document.write( " 4(C+M) = 1 \n" ); document.write( "Since Carol's rate is 2 times Mary's rate we can rewrite the above \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "divide each side by 12 \n" ); document.write( " M = 1/12 \n" ); document.write( "Mary's rate is 1/12 project per hour \n" ); document.write( "She can complete 1/12 of the project in one hour. \n" ); document.write( " \n" ); document.write( " |