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

State two ways in which a single-celled organism, such as amoeba, and a human body are alike?

Which is the same as 0.08? A) 80% B) 80/100 C) 8% D) 0.8

What is a series of events that cells go through as they grow and divide

sam cut a pie into equal parts.There are 3 slices left.The angle measures for 3 slices is 72.how many slices did he cut?

How did the depression affect women and children?

How did the depression affect women and children?

what is the simplest square root of 1345? no decimals please

Fragment in this sentenceWith her heavy dictonary, Donna thumps the top other ancient computer monitor. Whenever the color tint flickers from normal to sickly

What sorts of signals does the brain use to communicate sensations, thoughts and actions?

why can parents who are heterozygous for type a and type b blood have children with any of the four human blood types?