12.The perimeter of a garden is 82 feet. The length
is 5 more than twice the width. What is the width
of the garden?
A.29feet
C.24 feet
B. 25 feet and 2/3
D. 12 feet
Answers
Answer:
D. 12 feet
Step-by-step explanation:
Perimeter of a rectangle = 2(L+W)
Where L is length and W is the width.
Given
perimeter = 82 feet
Length is 5 more than 2w
That’s L = 5 + 2w
Now substitute 5 + 2w for L in the formula above
We have
82 = 2 ( 5 + 2w + w)
Simplify the bracket
82 = 2(5 + 3w)
Distribute 2 into (5 + 3w)
82 = 2 x 5 + 2 x 3w
82 = 10 + 6w
Subtract 10 from both sides
82 - 10 = 10 - 10 + 6w
72 = 6w
Divide both sides by 6
72/6 = 6w/6
12 = w
W = 12 feet
Final answer:
The width of the garden is 12 feet.
Explanation:
To find the width of the garden, we can set up an equation using the given information. Let's say the width of the garden is 'w' feet. According to the problem, the length is 5 more than twice the width, so the length would be '2w + 5' feet. The perimeter of a rectangle is equal to twice the sum of its length and width. So, in this case, the perimeter would bec
feet. Simplifying this equation, we get 6w + 10 = 82. Solving for 'w', we subtract 10 from both sides and divide by 6, giving us w = 12 feet. Therefore, the width of the garden is 12 feet.
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