Question

Find the volume of the given project in order to determine the number of feet of concrete needed. Round answers to the nearest whole number when necessary.
A driveway that is 30 feet long, 18 feet wide, and 4 inches thick.
a.
180 cubic ft.
c.
2,160 cubic ft.
b.
311,040 cubic ft.
d.
25,920 cubic ft.

Answer 1

The answer to this question is:

Find the volume of the given project in order to determine the number of feet of concrete needed. Round answers to the nearest whole number when necessary.
"180 cubic ft"

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Answer 2

Answer:   A. $180\ ft^3$

Step-by-step explanation:

Given: A driveway that is 30 feet long, 18 feet wide, and 4 inches thick.

We know that  1 foot = 12 inches

Therefore, 4 inches =$\dfrac{4}{12}=\dfrac{1}{3}\ feet$

We know that the volume of a rectangular prism is given by :-

$\text{Volume}=length\times width\times height$

Now, the volume of rectangular prism is given by :-

$\text{Volume}=30\times18\times\dfrac{1}{3}=180\ ft^3$