Excavators 82208
Two excavators dig a pit in 12 days. How much shorter will this job take if 8 excavators dig the hole?
In 3 or 9 days?
In 3 or 9 days?
Correct answer:

Tips for related online calculators
Looking for calculator of harmonic mean?
Looking for a statistical calculator?
Do you want to convert time units like minutes to seconds?
Looking for a statistical calculator?
Do you want to convert time units like minutes to seconds?
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Themes, topics:
Grade of the word problem:
Related math problems and questions:
- Digging companies
Company A would dig a pit for 12 days, company B for 15 days, company C for 20 days, and company D for 24 days. Work began with companies C and D, but after three days, They joined the other two companies. How long did it take to dig a pit?
- Workers 4949
The three workers will dig one big pit in two days. How many workers would dig seven large pits in three days?
- 10 workers
Ten workers will perform the assigned work in 8 days. If six workers work for six days and then another six join them, how long will it take to get the job done?
- Together 28411
Worker A will dig a trench in 12 days. Worker B will dig a trench in 18 days. How many days will it take them together?
- Working group
20 men complete one-third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days?
- Two diggers
There are two diggers. One digger digs a pit 77 hours per second, digging 1.2 times faster. a) how long did digging a pit with a second digger take? b) how long did it take to dig together?
- Novak
Novak needed to dig up three of the same pit in the garden. The first pit was dug father alone for 15 hours. His second dig son helped him, and it did that in six hours. The third pit was dug son himself. How long does it take him?