Time and Work Mixed Variable Dynamics

Time and Work Mixed Variable Dynamics

#### If 12 workers can complete a job in 15 days, how many days will it take for 18 workers to complete the same job? 1. [x] 10 days 2. [ ] 12 days 3. [ ] 25 days 4. [ ] 9 days #### If it takes 10 machines 8 hours to produce 120 items, how many items can be produced by 15 machines working at the same rate in 6 hours? 1. [x] 135 items 2. [ ] 300 items 3. [ ] 360 items 4. [ ] 400 items #### If 12 workers can complete a job in 16 days, how many workers are needed to complete the same job in 12 days? 1. [ ] 14 workers 2. [x] 16 workers 3. [ ] 18 workers 4. [ ] 20 workers #### A machine can complete a task in 10 hours. How long will it take for 5 such machines, working simultaneously at the same rate, to complete the same task? 1. [ ] 2 hours 2. [ ] 3 hours 3. [x] 2 hours 4. [ ] 6 hours #### A group of 10 workers can complete a job in 15 days. How many workers are needed to complete the same job in 10 days, given that the rate of work remains constant? 1. [x] 15 workers 2. [ ] 18 workers 3. [ ] 20 workers 4. [ ] 25 workers