23-09-2016
Mathematics

contestada

30men can finish 1/7of a work in 2days.18men will do othe remaining work in ?

Respuesta :

24-09-2016

7/7-1/7=6/7 is the rest of work
1/7 work takes 2days
6*1/7=6/7 work takes 6*2days=12days
30 men takes 12 days to finish the rest of work (6/7)
18 men takes 18*12/30= 7.2days

Answer Link

Otras preguntas

1. Mr. Miller is building a dollhouse for his daughter Juanita. He is designing the dollhouse after a colonial home with a height of 10 yards. If he wants the d

In a library, the ratio of maths books to science books is 3 : 2 and the ratio of science books to history books is 1 : 3. If the total number of books is 220,

The Declaration of Independence became A. a law of the land B. the U.S. Constitution C. a model for many other colonies

What made for the strategic location of the city?

What are the two definitions of the word Silo?

3+g=a/3h what does a equal

Translate the sentence into an inequality. A number y increased by 6 is less than or equal to - 15.

Solve the inequality for x. –2x + 3 < –13

Darren is a single parent and has recently married Janice. Darren's son has issues getting along with Janice. Darren is thinking of ways to make it easier for b

I grew a liking for drawing how are these drawings?