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

one third of the square root of which number is 0.001
Define crystaline polymer and amorphous polymer .Give two example of each polymer.
which one of these men was not a representative to the first continental congress? john adams lord grenville patrick henry joseph galloway
carlisle purchased one-fourth of a pound of candy at the mall. what decimal did he see on the scale
On friday, 80 children and 48 adults went to a movie. what was the ratio of children to adults?
A diamond with a mass of 45 g hangs motionless from a chain. what is the upward force of the chain on the diamond?
–10z – 28z a. 38z b. –38z c. 18 d. 18z
Evaluate 4|-2| - |-3|
how many electrons are in the third energy level of a calcium atom
in which phase of matter are the atoms closely packed but still able to slide past each other?