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

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

What does set up transformer do? Set down transform

find the volume of a cube with the length of each side is 6 cmon

There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents the probability of randomly sele

i need help and a right answer.

Multiply the quantity 5 less than 3 times a number by the quantity 2 times the same number added to five. Please show your work.

Please help me out :)

Please please help!!!!!!!!

went deep sea fishing with his friends. while they were on the boat a hurricane struck. marco and his friends were brought ashore. where medical professionals o

hi can u plz help me???

Which of the following is a common technique advertisers use to mislead consumers into using "fad diets" to achieve optimal health and fitness?