Answer:
135
Step-by-step explanation:
Length = 9
Width = 3
Height = 5
V=whl
V = 3*5*9
V = 135
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:
74
Step-by-step explanation:
13 x 5 is 65. 65 + 9 is 74.
I believe the points should be as follows : X, S, Y, and U.
Answer:
6 hours
Step-by-step explanation:
180 divided by 30 = 6
