Get expert insights and community-driven knowledge on IDNLearn.com. Get the information you need from our community of experts who provide accurate and comprehensive answers to all your questions.


Peter and Parker work for a cleaning crew. Peter can clean a room in 15 minutes less time than it takes Parker to do the same job. Working together,
they can clean two rooms in 110 minutes. Approximately how long does it take Peter to clean a room by himself?