document.write( "Question 448312: Any help would surely be appreciated. \"If Cody and Hunter painted the room together, it would take them 4 hours and 57 minutes. Cody would be able to paint a room 3 hours and 3 minutes faster if Hunter helped. Figure out how long each person needs to paint a room alone\". Thanks. \n" ); document.write( "
Algebra.Com's Answer #308575 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! \"If Cody and Hunter painted the room together, it would take them 4 hours and 57 minutes. \n" ); document.write( " Cody would be able to paint a room 3 hours and 3 minutes faster if Hunter helped. \n" ); document.write( " Figure out how long each person needs to paint a room alone\". \n" ); document.write( ": \n" ); document.write( "Let's do this in minutes. \n" ); document.write( " 4 hrs 57 min = 297 min \n" ); document.write( " 3 hrs 3 min = 183 min \n" ); document.write( ": \n" ); document.write( "Let c = Cody's time alone \n" ); document.write( "Let h = Hunter's time alone \n" ); document.write( ": \n" ); document.write( "Let the completed job = 1 (a painted room) \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "\"Cody would be able to paint a room 3 hours and 3 minutes faster if Hunter helped.\" \n" ); document.write( "So we can say: \n" ); document.write( "c - 183 = 297 \n" ); document.write( "c = 297 + 183 \n" ); document.write( "c = 480 min Cody alone (8 hrs) \n" ); document.write( ": \n" ); document.write( "Replace c with 480, find h: \n" ); document.write( " \n" ); document.write( "Multiply by 480h, results \n" ); document.write( "297h + 480(297) = 480h \n" ); document.write( "142560 = 480h - 297h \n" ); document.write( "183h = 142560 \n" ); document.write( "h = \n" ); document.write( "h = 779 min Hunter alone (12 hrs, 59 minutes) \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "See if that checks out \n" ); document.write( " \n" ); document.write( ".61875 + .38126 ~ 1, so we can say \n" ); document.write( ": \n" ); document.write( "Cody, 8 hrs alone \n" ); document.write( "Hunter, 12 hr 59 min alone \n" ); document.write( " |