danyalzaheer danyalzaheer
  • 03-10-2020
  • Mathematics
contestada

Working alone, Jack can do a puzzle in 5 hours. With his brother's help, the two can do the same puzzle in 2 hours. How long would it take Jack's brother to do the puzzle alone?

Respuesta :

taijfreeman
taijfreeman taijfreeman
  • 03-10-2020

Answer:

3 hours

Step-by-step explanation:

5 - 2 = 3

Answer Link
Wahmmy
Wahmmy Wahmmy
  • 11-10-2020

Answer:

3 hours and 20 minutes

Step-by-step explanation:

(I'm so sorry I forgot the work)

Answer Link

Otras preguntas

3+1/4x greater than 11
why is it critical to your cells to be near capillaries
Graph the first six terms of a sequence where a1 = -10 and d = 3.
a woman lifts a 300 newton child a distance of 1.5 meters in 0.75 seconds. What is her power output in lifting the child?
4(3-5)=-2(8-z)-6z what is z
How many times does four go into 153 ? What Is the remainder ?
In terms of weather, what kind of boundary does the line labeled  X represent? A. occluded front B. stationary front C. cold front D. warm front
How many years does an apple tree live useful?
all 231 students in the math club went on a field trip. some students rode in vans ehich hold 7 students each and some students rode in buses which hold 25 stud
What would be the most likely effect of one company buying a competitor?