lukeallen5140 lukeallen5140
  • 21-02-2022
  • Mathematics
contestada

4 people can dig a trench in three hours how long would it take 9 people

Respuesta :

therealkanjay
therealkanjay therealkanjay
  • 23-02-2022

Answer:

6h 45 min

Step-by-step explanation:

4 × x = 3h

x = 3 ÷ 4 = 45 min

9 × 45 min = 405 min = 6.75 h

Answer Link

Otras preguntas

Each year Albuquerque, New Mexico, has a ho air balloon festival during which people can obtain rides in hot air balloons. Suppose part of the Diaz family goes
what are two adjectives that describe Skeeter Phelan in the book called the help
Are 2/3 and 5/6 equivalent ratios. Justify your answer
how are continental glaciers and valley glaciers different?
The sum of the distances two hikers walked is 53mi, and the difference is 25mi. What are the distances? Use a system of equations to solve
Why were enlightenment ideas never fully practiced by eighteenth century rulers
5x+10=24-2x what is this called?
Meiosis results in greater genetic variation than asexual reproduction because it?? Help please
Why was Rome's creation of a common currency so important?
Given: Two is an even integer or three is an even integer.  Determine the truth value of this disjunction.  Justify you answer.