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zubka84 [21]
3 years ago
6

The wards decided to use carpet tiles in the family room. The room has an area of 176 square feet and is 5 feet longer than it i

s wide. Find the dimensions of the family room
Mathematics
1 answer:
ipn [44]3 years ago
5 0

Answer:

The dimensions of the room are length is <u>16 feet </u>and the width is <u>11 feet</u>.

Step-by-step explanation:

Given:

The wards decided to use carpet tiles in the family room. The room has an area of 176 square feet and is 5 feet longer than it is wide.

Now, to get the dimensions.

Let the width be x.

So, the length = x+5.

Area = 176 square foot.

So, we put formula of area to get the dimensions:

Area = length × width.

176=(x+5)\times x

176=x^2+5x

<em>Subtracting boths sides by 176 we get:</em>

0=x^2+5x-176\\x^2+5x-176=0

<em>On solving the equation:</em>

<em />x^2+16x-11x-176=0\\x(x+16)-11(x+16)=0\\(x+16)(x-11)=0<em />

<em>As, </em>

x+16 = 0

x=-16

<em>So, we would not take the negative result.</em>

<em>Thus, </em>

x-11=0\\x=11

<u>So, the width = 11 feet.</u>

Now, to get the length by substituting the value of x:

x+5\\=11+5\\=16

<u>The length = 16 feet.</u>

Therefore, the dimensions of the room are length is 16 feet and the width is 11 feet.

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