katherineye2007 katherineye2007

24-07-2020
Mathematics

contestada

Mark can dig a ditch in 4 hours. Greg can dig the same ditch in 3 hours. How long would it take them to dig it together?

Respuesta :

StarVAng StarVAng

24-07-2020

Answer:

1 hour and 43 minutes

Step-by-step explanation:

Add both of theyre work hours together you get 3/12 and 4/12

Then you add both 3/12 4/12

You get 7/12

They complete the job 12/7 hours =1 5/7 (1 hour 43minutes)

Answer Link

brynnxin brynnxin

04-02-2022

Answer:

1 5/7

Step-by-step explanation:

Answer Link

Otras preguntas

f(x)=-3x^3-4x^2+11x+1;x=-3 synthetic division

What type of bond is formed when electrons are transferred from one atom to another

Do you support the Three-Fifths Compromise? Explain why! PLEAZE HELP!

Complete the equation of the graphed linear function. Write the slope in decimal form. y = x The graph of the function goes through point negative 5, 0 and poin

Which kind of phrase are the underlined words? Have they already left for the airport? A. adverb phrase B. adjective phrase

The economy of Saudi Arabia is focused on __________. A. importing more products than it exports B. exporting more products than it imports C. importing and exp

What is 40% of 270. Please help me.

Britain had a dream of building a railroad from the Mediterranean Sea to South Africa (i.e. from Cairo to Cape Town). Which country was in the strongest positio

The perimeter of a rectangle is 10x + 6. The width of the rectangle is 3x devided by 3, what is the length?

Mercantilism was the principle that