iswarya99 iswarya99

02-03-2021
Mathematics

contestada

10 Mason's can build a wall working 7 hours a day,in 12 days.In how many days can the work be completed by 14 persons working 8 hours a day?

Respuesta :

kaylarowland86 kaylarowland86

02-03-2021

Answer:

7 hr * 12 days = 84 hours

10*84 = 840 man-hrs to build the wall

----

14 men * 8 hr = 112 man-hrs/day

840/112 = 7.5 days

Step-by-step explanation:

Answer Link

Otras preguntas

why does the senate serve more years than the house of representatives?

What is 45/243 simpfiled?

Sarah starts at one corner of a square field and walks 60 feet along one side to another corner of the field. She turns 90° and walks 40 feet, and then walks st

Does anyone know how to find the perimeter of an odd shape on a grid?

A physicians order states that 10 grains of medication are to be give; the tablets contain 2.5 grains each. How many tablets should be given

Two heterozygous purple-flowering pea plants are crossed. If purple is dominant over white, what are the expected phenotypic results?

What are some things to consider when selecting exercise/workout activities?

Write a real- world problem that you can solve by writing an equation. the answer to the problem must be 6.

Which of the following shows the correct factorization of x3 - 5x2 - 14x? A. x(x + 7)(x + 2) B. x(x - 7)(x - 2) C. x(x + 7)(x - 2) D. x(x - 7)(x + 2)

I need help is it A B C or D