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

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

which best describes evolutionary theory

Find the mean and the median of this data set: 9, 6, 5, 3, 28, 6, 4, 7

How did European countries interact with there African colonies after world war 1

The selection states that many bad dreams are "universal." This means that bad dreams A always happen after eating a large meal. B come most often when people a

The 13th, 14th, and 15th Amendments granted greater political rights to A. former soldiers. B. former slaves. C. women. D. children.

Plz help!!!!!!!!!!!!!!

Write and solve a real-world problem for 9 divided by 1/8. Then explain the meaning of the quotient.

You can minimize the Ribbon with a command contained on the _____. a. Quick Access Toolbar b. Office menu c. status bar d. Home tab

I ask for, not at once no government, but at once a better government. Which of these rhetorical devices does Thoreau use here? A. Rhyme B. Metaphor C. Para

1. Identify the human body systems and their functions.