Daily Math Challenge

๐Ÿ“š Time โญ Hard ๐ŸŽ“ Grade 6-8
Three workers can complete a job in 6 hours. How long will it take if only 2 workers do the job?
Answer
9 hours

๐Ÿ“ Step-by-Step Solution

1
Total work: 3 workers ร— 6 hours = 18 worker-hours
2
2 workers: 18 รท 2 = 9 hours
๐Ÿ’ก Helpful Hints
โ€ข Calculate total worker-hours
โ€ข Divide by new number of workers