Karen earned $33 in 4 hours at her job today. She wants to know how much she could earn tomorrow if she works 10 hours at the sa
me hourly rate.How much will Karen earn in 10 hours?
2 answers:
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Length = 12 m and width = m.
Solution:
Let the width of the rectangle be w.
Length of the rectangle = 2w + 5
Area of the rectangle given = 42 m²
<em>Area of the rectangle = length × width</em>
length × width = 42
(2w + 5) × w = 42
Subtract 42 from both sides, we get
Using quadratic formula,
Here,
Dimension cannot be in negative, so neglect w = –6.
Width of the rectangle = m
Hence length = 12 m and width = m.