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

what's 125/7 as a mixed number

Translate the word phrase into a variable expression. The number a is increased by the number b. A. a – b B. a/b C. a + b D. a x b

What is 4.22g/cm to lbs/ft

Identify two factors that can affect your health that, as a teenager you can control

A triangle has sides with lengths of 5x-7, 3x-4, and 2x-6. what is the simplified expression for t h e perimeter of the triangle?

A company sells cookies in 250-gram packs. When a particular batch of 1,000 packs was weighed, the mean weight per pack was 255 grams and the standard deviation

Can we see or feel energy?

Is it true or false that Science and theories had to be changed many times in light of new observations and findings?

Which is a complete sentence? A. Interesting town of Dolores, next to the San Juan National Forest. B. Explore six Pueblo sites in four states. C. Streaked

Canada has a population. That is about 1/10 as large as the United States. If Canada's population is about 32 million, about how many people live in the United