hazelne08penwuy hazelne08penwuy
  • 07-09-2018
  • English
contestada

if 5 men take 3 hours to dig 3 holes how long will it take for two men to dig half a hole

Respuesta :

jadearubyp0gujr
jadearubyp0gujr jadearubyp0gujr
  • 07-09-2018

This belongs in the mathmatics catagory, but:

5 men do 3 units of work in 3 hrs.


5 men do 1 unit of work in 1 hr.


1 man does 1/5 unit of work in 1 hr.


2 men do 2/5 units of work in 1 hr.


Therefore 2 men will take 5/2 hours to dig 1 hole and take 5/4 hrs to dig half a hole.


So the answer you're looking for is 1 hr 15 mins

Answer Link

Otras preguntas

who is considered the founder of georgia help me now
Four less than five times a number is equal to 11
what allowed for widespread exploration starting in the 1400s?
Granitic magma is very silica-rich true or false
why left side of heart is oxygenated?
give an example of two number that both 6 digit number . but the greater number is determined by the hundreds place.
a confectioner has 500 mint, 500 orange, and 500 strawberry flavored sweets. He wishes to make packets containing 10 mint, 5 orange, and 5 strawberry sweets.
47 divided 985 show how to work it out
What is negative 10 minus negative 60
Write the equation of the line that is PARALLEL to the line y=-3x+12 and passes through the point (-1,6)
good job