Answer:
<h2>77.3%</h2>
Step-by-step explanation:
Percentage decrease = new amount / old amount
<u />
2619 / 3388 = 0.7730224321
<u>Multiply by 100 to make it a percentage and then round it to the nearest tenth.</u>
<u />
0.7730224321 * 10 =
77.30224321
<u>Rounded</u>
77.3
Answer:
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Step-by-step explanation:
The dimension of the rectangle 18 feet by 13feet
<h3>How to calculate the area of a rectangle</h3>
A rectangle is a 2 dimensional shape having two sides.
Area of a rectangle = length * width
Given the following parameters
Length = x + 8
Width = x + 3
Area = 234ft^2
Substitute the given parameters into the formula
(x+8)(x+3) = 234
x² + 3x + 8x + 24 = 234
x² + 11x = 234 - 24
x² + 11x = 210
x² + 11x - 210 = 0
Factorize
x² + 21x - 10x - 210 = 0
x(x+21) - 10(x+21) = 0
x - 10 = 0
X = 10
Leength = x + 8
Length = 18 feet
Width = x + 3
Width = 3 + 10
Width = 13feet
Hence the dimension of the rectangle 18 feet by 13feet
Learn more on dimension here: brainly.com/question/19819849
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