The following figure is a model of a fountain at the local mall. How many cubic feet of water
will the fountain hold?
A
112 cubic feet
B
136 cubic feet
C
144 cubic feet
D
168 cubic feet

B. 136

Step-by-step explantion:

LxWxH for the two parts of the figure give you 112 and 24 and they add to 136.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

step-by-step explanation:

b and c