Answer:
D or A not sure yet
Step-by-step explanation:
% change = 100x (final-initial)
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Initial
Answer:
Easy, it's A.
5 more can be written as 5+ or +5. W is the width, so 5 more than the width is written as 5+w
Width: x
Length: 3x
Perimeter=x+x+3x+3x=8x
8x=400
x=50
Dimension is 150×50 feet (length × width)
