People in building ---- x (men, women and children)
children --- y
men + women + children = x
(3/7)x + (5/8)(4/7)x + y = x
3x/7 + 5x/14 + y = x
times 14
6x + 5x + 14y = 14x
14y = 3x
y + 220 =x
sub into the other one
14y = 3(y+220)
11y = 660
y = 60
then 14(60) = 3x ---> x = 280
So we have 280 people in the building.
check: 3/7 of 280 are men = 120
leaving 160 women and children
5/8 of these ot 100 are women
so we have 120 men, 100 women and 60 children!
hope this is right! have a great. day
Answer:
mine ended june 9th but i got summer school for 2 classes lol
Answer:
23
Step-by-step explanation:
i think i hope it help
For this case we have by definition, that the equation of a line in the slope-intersection form is given by:
![y = mx + b](https://tex.z-dn.net/?f=y%20%3D%20mx%20%2B%20b)
Where:
m: It is the slope of the line
b: It is the cut point with the "y" axis
We have, according to the data provided, that the line is of the form:
![y = -x + b](https://tex.z-dn.net/?f=y%20%3D%20-x%20%2B%20b)
That means that the slope is -1.
ANswer:
![m = -1](https://tex.z-dn.net/?f=m%20%3D%20-1)