Algebra
posted by Brieson .
width W or a rectangular swimming pool is 7x^2. The area of the pool is 7x^342x^2. what expression for the length of the pool? please walk me through this.

Algebra 
Damon
W * L = 7 x^3  42 x^2
7 x^2 * L = 7 x^3  42 x^2
L = x  6 
Algebra 
Brieson
DamonThank you very much

Algebra 
Anonymous
The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck
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