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

What are some British ideas about government that influenced the attitudes of the colonists?

Find the A) slope B) Point Slope equation and C) Slope Intercept form of the line through points (9,18),(-4,14)

Dr. Kline, an environmental psychologist, conducts a study to examine whether visiting zoos causes people to have more positive attitudes toward environmental c

whats more important, doing whats right or being popular?

Celeste and Lonnie had been next-door neighbors since the two had come home from the same hospital as infants. They played together as toddlers, went to the sam

When U.S. President John f. Kennedy said “Ich bin eine Berliner,” he was protesting what Soviet action?

In what two ways can you measure hard drive speed? Explain each of these measurements.

After its first day of life or baby blue whale started growing. It grew 47.075 inches. If the average baby blue whale grow at a rate of 1.5 inches a day, for h

This graphic organizer shows the main points of the Dred Scott Decision: A list diagram with the heading Dred Scott Decision is shown. There are three bullete

Which three lines in this excerpt from Samuel Taylor Coleridge’s “kubla khan” best reflects the theme of chaos and excitement in creation?