SOLUTION: The floor of a rectangular deck has an area of 600 sq. ft. The floor is 20 ft. wide. How long is the floor? A. 20 ft. B. 30 ft. C. 15 ft. D. 45 ft.

Question 939151: The floor of a rectangular deck has an area of 600 sq. ft. The floor is 20 ft. wide. How long is the floor?
A. 20 ft.
B. 30 ft.
C. 15 ft.
D. 45 ft.
Found 2 solutions by MathLover1, ewatrrr:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

the area of the floor is
if the floor of a rectangular deck has an area of and the floor is wide, then we have

so, answer is B.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
.
A = Lw
L(20ft) = 600ft^2
L = 600ft^2/(20ft) = 30ft
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