4. A construction worker needs to put
1 answer:
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ANSWER TO QUESTION 1
Just substitute
in to 
That means everywhere we see
we replace it with 
.
This gives us,
The correct answer is B
ANSWER TO QUESTION 2
We first find the area of the sitting area.
From the diagram, the sitting area has the following dimension.
and
.
Since the sitting area is rectangular in shape, we use the formula for finding the area of area of a rectangle.
That is ,
.
We substitute the dimension to obtain,
Since each person occupies 2 square feet, we divide by 2
The correct answer is C
ANSWER TO QUESTION 3.
The question 2and 3 are the same.
Just substitute
That means everywhere we see
This gives us,
The correct answer is B
ANSWER TO QUESTION 2
We first find the area of the sitting area.
From the diagram, the sitting area has the following dimension.
and
Since the sitting area is rectangular in shape, we use the formula for finding the area of area of a rectangle.
That is ,
We substitute the dimension to obtain,
Since each person occupies 2 square feet, we divide by 2
The correct answer is C
ANSWER TO QUESTION 3.
The question 2and 3 are the same.