derek is preparing a playground for the kids in school. the playground is 11 meters wide. what are the possible lengths of the playground if it's area must be greater than or equal to 150 sq meters?
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In the given problem, apply your knowledge in algebra and basic mathematics specially in solving word problems about area and solving unknown dimension.
Given
11 meters wide
area is greater than or equal to 150 sq meters
Solution
Use the formula A = lw for finding the area of a rectangle.
The symbol for greater than or equal is ≥
Mathematical equation
A = lw
11(l) ≥ 150
Simplify and Solve for l
11(l) ≥ 150
11l ≥ 150
l ≥ 150/11
l ≥ 13.64 m
Answer:
Lenght must be greater than or equal to 13.64 meter.
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