Problema Solution
A package of floor tiles contains 22 one-square-foot tiles, find how many packages should be bought to cover a square ballroom floor whose side measures 56 feet
Answer provided by our tutors
let x = the packaged needed to cover the ballroom
the area of the square ballroom is A = 56*56 ft^2
x*22 >= 56*56
by solving we find
x >= 142.55
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since x is an integer we conclude that 143 packages should be bought.