Soutyjennife
Soutyjennife Soutyjennife
  • 02-09-2016
  • Mathematics
contestada

Tommy can paint a fence in 9 hours. If his friend Huck helps they can paint it in 1 hour. How fast could Huck paint the fence by himself?

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 07-09-2016
Tommy can paint 1/9 of a fence in 1 hour.
With Huck he can paint a whole fence in 1 hour. 
x : part of a fence that Huck can paint alone in 1 hour.
1/9 + x = 1
x = 1 - 1/9 = 8/9
1 : 8/9 = 9/8 = 1.125 hours = 1 hour 7 minutes 30 seconds
 
 
Answer Link

Otras preguntas

________ refers to the idea that people should drink beer or wine in moderation but drink no hard liquor
Which form of violence is tomas using? isolation harassment intimidation monitoring
Give examples of physical diversity within a community
An investment will pay you $16,000 in 6 years. the appropriate discount rate is 10 percent compounded daily. What is the present value?
All neural activity during sleep is directed toward dreaming. please select the best answer from the choices provided t f
Which would be represented by FN on a force diagram? O Northern Force O Newton Force O Normal Force O Negative Force
Which of the indicators listed would be considered performance measures for the financial perspective?
Has any other research you uncover suggest there are better frameworks to use for addressing risks?
Why might the american people consider executive orders both good and bad for their government?
3 cm ▼ 2 cm The diagram shows a prism. Work out the volume of the prism. 4 cm 1 cm 12 cm​