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storchak [24]
3 years ago
12

Louis wants to carpet the rectangular floor of his basement. The basement has an area of 864 sq. Feet. The width of the basement

is 2/3 its length What is the length of Louis's basement.
Mathematics
1 answer:
Kamila [148]3 years ago
8 0

Answer:

36 ft  

Step-by-step explanation:

A = lw

Data:

A = 864 ft²

 l = length of basement

w = ⅔l

Calculations:

864 = l × ⅔l

864 = ⅔l²

Multiply each side by 3:               2592 = 2l²

Divide each side by 2:                  1296 = l²

Take the square root of each side:     l = 36

The length of the basement is 36 ft.

Check:

w = ⅔l = 24 ft

864 = 36 × 24

864 = 864

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