HELP!!!!
posted by Dezzy .
Darnell used one small can of polyurethane to seal a square patch of his hardwood floor. The can advertised coverage of 50 square feet. What is the approximate side length of the square Darnell sealed?
a)7 feet
b)8 feet
c)25 feet
d)49 feet

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Square root of 50 = 7.1