Feebrownlee Feebrownlee
  • 03-09-2014
  • Mathematics
contestada

If there are 36 performers in a dance recital. The ratio of men to women is 2:7. How many men are in the dance recital ?

Respuesta :

mariamikayla
mariamikayla mariamikayla
  • 03-09-2014
[tex]\frac{m}{w}= \frac{2}{7} \\ \\ \frac{m}{2}=\frac{w}{7}=k \\ \\ m=2k\\ w=7k \\ \\ m+w=36 \\ 2k+7k=36 \\ 9k=36 \\ \\ \boxed{k=\frac{36}{9}=4} \\ \\ m=2*4=8 \ men \\ \\ w=7*4=28 \ women[/tex]
Answer Link

Otras preguntas

Please help??? Science SEMESTER REVIEW!!!!In a series of rock layers, a geologist finds fossils of a pine trees and oak trees in layers that are 1.0 m and 1.5
The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit
Add the following fractions.3/8 + 5/12 =
Who was Canada's FIRST prime minister.
Ratio equal to the ratio given 12:7
How did the early voyages of discovery change european trade routes?
Give 3 examples to show work being done.
what is the negative of -1/3 and why??
Who was Canada's FIRST prime minister.
Select the simplified expression for 8(x - 4) - 4(x - 3) + 7x. 11x + 4411x - 711x - 4411x - 20