gr8chinchilla gr8chinchilla

01-04-2016
Mathematics

contestada

If it takes five men 20 hours to build a house how long would it take a man to do the job if they work at the same rate

Respuesta :

Аноним Аноним

01-04-2016

this problem can be solved by inverse rule of three.
5 men--------------------20 hours
1 man-------------------- x

5 men*20 hours=1 man*x
x=(5 men*20 hours) / 1 man=100 hours.

answer: 100 hours.

Answer Link

Divyankasc Divyankasc

01-04-2016

It would take him 5 × 20 = 100 hrs

Answer Link

Otras preguntas

Add the two expressions. 8k + 4 and 3k + 8

For which equasion does the sum of the roots equal 3/4 and the product of the roots equal -2? ( a.4x^2-8x+3=0 ( b.4x^2+8x+3=0 ( c.4x^2-3x-8=0 ( d.4x^2+3x-2=0

Kris applies for the sales position and does well. However, she is laid off in late October due to slow sales. This is an example of what type of unemployment?

I need an answer or explanation on this 5.2 / 1.6 number 7

How does the surface tension of water compared with the surface tension of most other liquids?

Which represents the inverse function f(x)=4x?

For the following system of equations, what is the x-value of the solution? –x + 2y = 6 6y = x + 18 A.–18 B.0 C.–6 D.3

I'm not sure what the answer to this question is

Where was the constitutional convention located?

An average sized dog weighs about a. 15 grams b. 50 grams c. 5,000 grams d. 15,00 grams I don't know the answer, please help