mhffytfgcgckhkh5973 mhffytfgcgckhkh5973

12-11-2021
Mathematics

contestada

Leah can build a brick wall in 7 hours, while her apprentice can do the job in 10 hours. How long does it take for them to build a wall together

Respuesta :

masterdestroyer27 masterdestroyer27

12-11-2021

Answer:

70/17 hours or 4 2/17 hours

Step-by-step explanation:

The equation we use is 1/7 + 1/10 = 1/x, x being the time it took them together to build. x works out to 70/17 hours

Answer Link

Otras preguntas

If you are only given slope intercept how would u sketch the line ?

Today, Earth’s magnetic field is losing approximately 7 percent of its strength every 100 years. If the strength of Earth’s magnetic field at its surface is 0.5

Tim can mow 4 lawns in 6 hours. How many lawns can be mow in 15 hours?

What is bigger?? 2.5 feet or 32 inches?

How did Watson and cricks model of DNA incorporate the research of other scientists ?

Complete this sentence: Most living things use ____________ to make ____________ from glucose. a. oxygen, NAD+ b. ATP, oxygen c. oxygen, ATP d. NADH, NAD+

Many of the Southern colonies were founded as proprietary colonies. What drew proprietors to this area? How did they make money?NEED RIGHT THIS MINUTE PLEASE!!!

What is a good thesis statement about online dating? I think it's a bad idea I have to compare and contrast Help?

Which statement is true about the thyroid hormones? (1) They increase the rate of metabolism in cells throughout the body. (2)They control how quickly cells use

What was the purpose of the Titanic's inner hull?