carolannhart1211 carolannhart1211

18-11-2020
Mathematics

contestada

help idk how to do this
It takes Frank 2 hours to build a fence. It takes Tom 9 hours to build the same fence. How long would it take to build the fence if Frank and Tom built the fence together?

Respuesta :

hailydenney2 hailydenney2

18-11-2020

Answer:

5 1/2 hours

Step-by-step explanation:

You would have to add 2 and 9 and then divide by 2. (Find the average of the two)

2 + 9 = 11

11 / 2 = 5.5

So if you add their times then divide you receive and average of five and a half hours.

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

Marjorie wrote the fraction 7/10 as a fraction with a denominator of 100. She wrote the fraction as a decimal. Find and correct Her mis take. Explain.

What was a provision of the magna carta? A. kings power expanded B. A step toward providing nobles with legislative authority C. Trial by jury of peers D. E

why do some substances react with each other while others do not

What is true about supporting details A.) Unimportant details are those that provide facts or statistics related to the main idea. B.)Essential details may or m

Joe's entire neighborhood was hit by a forest fire last year. While nearly all of the houses in the neighborhood were burnt to a crisp, Joe's house was miraculo

Find the value of 5.8 divided by 1.2

Which systems are involved in breathing?

an example of respect for the idea of diversity is a. a town government displaying symbols from only one cultures holiday b.allowing radical or ethnic minoriti

44 as an equivalent fraction in fourths Help

Please answer all the questions if possible, due 2morrow... also, is what I did for the top answer right?