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Natali [406]
3 years ago
14

*Write An inequality then solve for the width.* The length of a rectangle is 12 more than its width. what values of the width wi

ll make the perimeter less than 96 feet? (Will give brainliest to best answer)

Mathematics
1 answer:
Sonbull [250]3 years ago
4 0
Let x be the width of the rectangle, so the length will be 12+x.
Now, to find the perimeter of our rectangle, we are going to use the formula for the perimeter of a rectangle formula: P=2(w+l)
where 
P is the perimeter 
w is the width 
l is the length 

We know that w=x and l=12+x, so lets replace those values in our formula:
P=2(x+12+x)
P=2(2x+12)
P=4x+24

We want <span>values of the width that will make the perimeter less than 96 feet, so lets set up our inequality:
</span>4x+24\ \textless \ 96
4x\ \textless \ 72
x\ \textless \  \frac{72}{4}
x\ \textless \ 18
<span>
Since the width can't be zero, we can conclude that the values </span>of the width that will make the perimeter less than 96 feet are: 0\ \textless \ x\ \textless \ 18 or in interval notation: (0,18)

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