Question
If 14 men can dig a hole 10 metres long in 6 days, how long would 12 men take to dig a hole 15 metres long?
Answers
Reiny
14 men dig 10 metres in 6 days
1 man digs 10/14 m in 6 days
12 men dig 10/14(12) m in 6 days, or
12 men dig 60/7 m in 6 days
12 men dig 1 metre in 6รท(60/7) day, or
12 men dig 1 metre in 7/10 days
12 men dig 15 metres in (7/10)(15) days
12 men dig 15 metres in 10.5 days
1 man digs 10/14 m in 6 days
12 men dig 10/14(12) m in 6 days, or
12 men dig 60/7 m in 6 days
12 men dig 1 metre in 6รท(60/7) day, or
12 men dig 1 metre in 7/10 days
12 men dig 15 metres in (7/10)(15) days
12 men dig 15 metres in 10.5 days